2nd Semester Final Exam Review - Barrington High School · ©6 E2e0d1 D3R 9KSuqt za8 VS7odf yt7w...

36
©3 I2N0e1B3u oKouQtHaB iSBoBfWtHwSaRr7ec zLYLfCW.2 n 3A9lol5 drfiGgUhZtSsg krpeus8eYrHv3eedL.B e sMHaXdJe5 MwtiYt8hL aIrnSfXiTnkiWtle9 KA3lngBe9bHrBaT X13.z Worksheet by Kuta Software LLC 8th Grade Extended Math ID: 1 Name___________________________________ P or S______ Date________________ ©a z2p0k1C3I AKZujtDaY wSVotfMtEwZaqrwe3 FLELIC1.R p iA9lblF ErsiRgHhytVsc nryeMsYeXrCvueNd6.9 2nd Semester Final Exam Review Solve each system. 1) 0 = -3 y + 3 - 3 x 0 = 7 + 11 x - 7 y 2) 24 + 8 x = 8 y 2 - 10 x = 6 y 3) -3 x - 8 y = 14 7 y = -2 x - 11 4) -5 x + 7 y = 15 -21 + 6 y = 7 x 5) 4 x + 7 y = 4 -12 x - 21 y = -1 6) -7 x - 6 y = -2 7 x + 6 y = 2 7) 5 x - y = 7 4 x - y = 7 8) - x + 3 y = 19 -3 x + 2 y = 1 -1-

Transcript of 2nd Semester Final Exam Review - Barrington High School · ©6 E2e0d1 D3R 9KSuqt za8 VS7odf yt7w...

Page 1: 2nd Semester Final Exam Review - Barrington High School · ©6 E2e0d1 D3R 9KSuqt za8 VS7odf yt7w AaWrDeu NLvL dC H.n J qADlmlJ qr 0i4g5hKt4sH Pr NeWsWeKrAvaegdI. 8 s fM CazdDeu MwpiZtOhi

©3 I2N0e1B3u oKouQtHaB iSBoBfWtHwSaRr7ec zLYLfCW.2 n 3A9lol5 drfiGgUhZtSsg krpeus8eYrHv3eedL.B e sMHaXdJe5 MwtiYt8hL aI rnSfXiTnkiWtle9 KA3lngBe9bHrBaT X13.z Worksheet by Kuta Software LLC

8th Grade Extended MathID: 1

Name___________________________________

P or S______Date________________©a z2p0k1C3I AKZujtDaY wSVotf MtEwZaqrwe3 FLELIC1.R p iA9l bl F Ersi RgHhytVsc nryeMsYeXrCvueNd6.92nd Semester Final Exam Review

Solve each system.

1) 0 =

−3

y + 3 − 3

x0 =

7 + 11

x − 7

y2)

24 + 8

x = 8

y

2 − 10

x = 6

y

3)

−3

x − 8

y = 147

y =

−2

x − 114)

−5

x + 7

y = 15

−21 + 6

y = 7

x

5)

4

x + 7

y = 4

−12

x − 21

y = −16)

−7

x − 6

y = −2

7

x + 6

y = 2

7)

5

x −

y = 7

4

x −

y = 78)

x + 3

y = 19

−3

x + 2

y = 1

-1-

Page 2: 2nd Semester Final Exam Review - Barrington High School · ©6 E2e0d1 D3R 9KSuqt za8 VS7odf yt7w AaWrDeu NLvL dC H.n J qADlmlJ qr 0i4g5hKt4sH Pr NeWsWeKrAvaegdI. 8 s fM CazdDeu MwpiZtOhi

©5 l2M0Q1k3U cKZuEtIaM PSloqfftywTa4r5eu QLLLLCw.c M wAVlll5 wr4iFgohctFsE 7rle9sBeOrpv2e9dU.Z l dMNaQd2eF dwdiwtjhJ ZI vnnf0ifn8iKtcex tADlTgQesb7rtaw U1d.K Worksheet by Kuta Software LLC

Simplify. Your answer should contain only positive exponents.

9)

(

2

y2 ⋅

2

x4

y4

(

−2

x3

y3)−1 )−3

10)

(

u−4

v−4)−1

(

2

u4

v2)0 ⋅

(

u2

v−4)0

11)

(

y2)2 ⋅

−2

x3

y−4

y

x312)

n

m3 ⋅

mn

n−4 ⋅

(2

n)2

13)

(

x−4

y−4)−4

2

x−4

y−2 ⋅

y

x214)

(

x0)−3

y−2 ⋅

x−1

y−2

Factor each completely.

15)

5

a2 + 10

a 16)

x2 + 2

x − 1

-2-

Page 3: 2nd Semester Final Exam Review - Barrington High School · ©6 E2e0d1 D3R 9KSuqt za8 VS7odf yt7w AaWrDeu NLvL dC H.n J qADlmlJ qr 0i4g5hKt4sH Pr NeWsWeKrAvaegdI. 8 s fM CazdDeu MwpiZtOhi

©6 E2e0d1D3R 9KSuqtza8 VS7odfyt7wAaWrDeu NLvLdCH.n J qADlmlJ qr0i4g5hKt4sH PrNeWsWeKrAvaegdI.8 s fMCazdDeu MwpiZtOhi II SnRfYiPn5iftLe0 PAnlzgJeZbArDaB P1i.o Worksheet by Kuta Software LLC

17)

b2 + 2

b + 8 18)

−5

r2 − 30

r

19)

25

x2 − 10

x + 1 20)

25

x2 − 9

21)

4

n2 − 1 22)

9

k2 − 6

k + 1

Solve each equation.

23)

11 − 10

x =

−3

x2 + 4 24)

41

n2 − 68

n − 10 =

n2 − 4

n

Solve each equation by taking square roots.

25)

8

k2 + 8 = −108 26)

8

a2 − 2 = 294

-3-

Page 4: 2nd Semester Final Exam Review - Barrington High School · ©6 E2e0d1 D3R 9KSuqt za8 VS7odf yt7w AaWrDeu NLvL dC H.n J qADlmlJ qr 0i4g5hKt4sH Pr NeWsWeKrAvaegdI. 8 s fM CazdDeu MwpiZtOhi

©w m2c0j1h37 dKzuyt2aW YS8oXfptrwHalrgel 9LzL3Cv.o w 4Ahl2lt erUiPg7hMt9sn CrceVsBeurRv6egdc.z c uMta9dvel ZwfiltlhT SI OnbfMi6nciStRe7 mA1logbeFberXaZ x1C.C Worksheet by Kuta Software LLC

Solve each equation with the quadratic formula.

27)

5

p2 − 125 = 0

Solve each equation by factoring.

28)

x2 − 2

x = −1

Simplify. Use absolute value signs when necessary.

29)

−10 288

x4y2z2 30)

7 72

m4n4p3

31)

8 70 32)

2 294

h2j 3k

33)

− 225

m2p5q2 34)

−6 144

x5y2z

-4-

Page 5: 2nd Semester Final Exam Review - Barrington High School · ©6 E2e0d1 D3R 9KSuqt za8 VS7odf yt7w AaWrDeu NLvL dC H.n J qADlmlJ qr 0i4g5hKt4sH Pr NeWsWeKrAvaegdI. 8 s fM CazdDeu MwpiZtOhi

©V y2o051G3R FKWuttuaR oSloRfltBwAatrHe9 IL3LgCn.x S mARl3lG IrTiFgAhhtFs0 GrGeWsoeHrWv9eDd2.H S SMHa0dYen vwDiEtGho xI 4nFfUiZniiytEeJ BA7l8gmeCbdrTaM e1g.0 Worksheet by Kuta Software LLC

Simplify.

35)

627

36)

2

4 4

37)

3 2 +

2 6 −

3 6 38)

2 2 +

3 24 −

18

39)

−3 2 +

2 8 −

2 8 40)

2 6 +

3 6 −

2 18

41)

2

−3 −

342)

5 3

3 +

4 3

43)

4 15(

3 + 10) 44)

15(

5 −

2 10)

-5-

Page 6: 2nd Semester Final Exam Review - Barrington High School · ©6 E2e0d1 D3R 9KSuqt za8 VS7odf yt7w AaWrDeu NLvL dC H.n J qADlmlJ qr 0i4g5hKt4sH Pr NeWsWeKrAvaegdI. 8 s fM CazdDeu MwpiZtOhi

©X d2h0B1g35 IKnu5tTa6 kS6okfdt8wQafrUem 2LFLiCY.9 d eAnlglx wrsiIgShFtGsA freeqsyerrUv3ewdf.q i BMPaFdzeG 1wbiTtYhH PI Bn1fqiyn1i3tLe0 bAjl2gHeUbVrkaJ I1v.R Worksheet by Kuta Software LLC-6-

Answers to 2nd Semester Final Exam Review (ID: 1)

1) (0, 1) 2) (−1, 2) 3) (−2, −1) 4) (−3, 0)5) No solution 6) Infinite number of solutions 7) (0, −7)8) (5, 8)

9)

1512

x21y2710)

u4v4

11)

−2

y

12)

n4m4

413)

x18y17

214)

y4x 15)

5

a(

a + 2)

16)

(

x − 1)2 17)

−(

b − 4)(

b + 2) 18)

−5

r(

r + 6) 19)

(

5

x − 1)2

20)

(

5

x + 3)(

5

x − 3) 21)

(

2

n + 1)(

2

n − 1) 22)

(

3

k − 1)223)

{

73

, 1}24)

{

53

,

−17} 25) No solution. 26) {6.083, −6.083} 27) {5, −5}

28) {1} 29)

−120

x2

y ⋅

z 2 30)

42

m2n2

p 2

p 31)

8 7032)

14

h ⋅

j 6

jk 33)

−15

p2

m ⋅

q

p 34)

−72

x2

y

xz

35)

23

36)

28

37)

3 2 −

6 38)

− 2 +

6 6

39)

−3 2 40)

5 6 −

6 241)

−3 2 + 66

42)

−5 3 + 2013

43)

12 15 +

20 6 44)

5 15 −

10 6

Page 7: 2nd Semester Final Exam Review - Barrington High School · ©6 E2e0d1 D3R 9KSuqt za8 VS7odf yt7w AaWrDeu NLvL dC H.n J qADlmlJ qr 0i4g5hKt4sH Pr NeWsWeKrAvaegdI. 8 s fM CazdDeu MwpiZtOhi

©A 92C0e1b3b dKpuztqaH oSlowfNtHw8acr4eI vLJLmCg.P 6 BAalvlW fr0irg9hqtYsP CrMe9sGebrmvrekdm.8 5 uMRaMdber swEiatUhc 7I 5nUftiNn5iXt6eB GA9lng0eUberDa4 C1C.b Worksheet by Kuta Software LLC

8th Grade Extended MathID: 2

Name___________________________________

P or S______Date________________©o x2i0d1r3j LKTudtPas RSOopfDttw5aIrie6 mLbLLCb.E u xAQlEl 3 2r6i tgphbtqsB 3rdessJeOr4vxewdC.m2nd Semester Final Exam Review

Solve each system.

1)

1 −

14

y =

−13

x

11

y =

−25 + 7

x

2)

x −

45

y =

185

−3

y =

33 − 7

x

3)

−3 +

98

x =

−118

y

0 =

2

y − 13 +

52

x

4) 0 =

−2

x + 2 + 4

y

3

y + 21 + 5

x = 0

5)

−2

x − 2

y = −22

x + 6

y = 246)

6

x − 7

y = −8

−3

x − 4

y = −11

7)

−6

x + 2

y = 4

−4

x − 8

y = 128)

8

x − 6

y = 16

3

x − 5

y = −16

-1-

Page 8: 2nd Semester Final Exam Review - Barrington High School · ©6 E2e0d1 D3R 9KSuqt za8 VS7odf yt7w AaWrDeu NLvL dC H.n J qADlmlJ qr 0i4g5hKt4sH Pr NeWsWeKrAvaegdI. 8 s fM CazdDeu MwpiZtOhi

©u e2f0B1q3A yKZuJtnaA VSAoyf3tEwwaFrxef jLWLDCI.z J 7ALlKlI rr1iSgHhvtrsu arIeSs3eBrzvCebdg.h e OM1aKdzeS 6w6intrhB jI ZnIfpimnJiXtGeR kAPlBgheBb6rCac l1b.l Worksheet by Kuta Software LLC

Simplify. Your answer should contain only positive exponents.

9)

2

x3 ⋅

x4

y−1

(2

xy)2 10)

(

−2

m4

n0 ⋅

2

m3

n3)2

m

11)

x3

y−1

(

x4 ⋅

−2

x2

y4)212)

x4

y−1 ⋅

x−3

y3

(

2

y

x−4)−3

13)

(−

x)4

x4

y−2 ⋅

2

x0 14)

2

v2 ⋅

(

2

u0

v2)4

2

v

u2

Factor each completely.

15)

v2 −

v + 10 16)

n2 + 2

n + 8

-2-

Page 9: 2nd Semester Final Exam Review - Barrington High School · ©6 E2e0d1 D3R 9KSuqt za8 VS7odf yt7w AaWrDeu NLvL dC H.n J qADlmlJ qr 0i4g5hKt4sH Pr NeWsWeKrAvaegdI. 8 s fM CazdDeu MwpiZtOhi

©B J2c0v1q38 KKruGtwaf vSqoJffthwGahrqeh GLLLBCY.C 9 KAwlklM frvi9gPhPtPsY SrDefsrecrvvse6dk.R Y rMHajdqeT 9wairtVh6 dI dnLfti8nqiotmeH yAilKgXe1bDrBaa O1S.C Worksheet by Kuta Software LLC

17)

4

r2 + 40

r + 96 18)

n2 + 9

n + 14

19)

v2 − 6

v + 9 20)

4

x2 + 4

x + 1

21)

16

p2 − 25 22)

4

k2 + 1

Solve each equation.

23)

35

a2 + 15 = 46

a 24)

31

v2 − 55

v + 28 = 6

v2

Solve each equation by taking square roots.

25)

5

x2 − 9 = 116 26)

4

x2 + 1 = −35

-3-

Page 10: 2nd Semester Final Exam Review - Barrington High School · ©6 E2e0d1 D3R 9KSuqt za8 VS7odf yt7w AaWrDeu NLvL dC H.n J qADlmlJ qr 0i4g5hKt4sH Pr NeWsWeKrAvaegdI. 8 s fM CazdDeu MwpiZtOhi

©9 N2q0e1B3P TKUuYtea8 OSCoYfnt2wkarrteq eLBLNC5.f K RAel2lJ TrpiRgAhctLs9 3rBens7eFrUvPeXdo.x s oMraSdiec IwqiHtEhy VI EnjfcihnWipthe7 WAblwgZePbSr5ag R1a.n Worksheet by Kuta Software LLC

Solve each equation with the quadratic formula.

27)

n2 − 18 = −12

n

Solve each equation by factoring.

28)

k2 =

48 − 2

k

Simplify. Use absolute value signs when necessary.

29)

7 1000

m3n5p 30)

4 210

yz

31)

−2 70

mp 32)

−10 54

a5b5c5

33)

6 90

h5jk 34)

−6 8

x5y3z

-4-

Page 11: 2nd Semester Final Exam Review - Barrington High School · ©6 E2e0d1 D3R 9KSuqt za8 VS7odf yt7w AaWrDeu NLvL dC H.n J qADlmlJ qr 0i4g5hKt4sH Pr NeWsWeKrAvaegdI. 8 s fM CazdDeu MwpiZtOhi

©D e2w0U1g3t jKVu8tTa2 5SVoffBt5wEaorjeR KLALnCq.u 0 AAvlRlS 1r9iygLh6tnsF Ar9eEsoeQrQvCefd4.U 0 HMWahdrer KwHiltBhD jI XnKf2iInNiftVeC tAPl3gaezbFrga8 Z1Y.m Worksheet by Kuta Software LLC

Simplify.

35)

4 316

36)

4 109

37)

2 24 −

3 24 +

3 54 38)

− 54 −

27 +

2 27

39)

−2 5 +

2 2 +

2 5 40)

2 2 +

2 24 −

2 54

41)

4

4 + 542)

4

3 +

3 2

43)

3 10(

5 + 5) 44)

3(

2 + 3)

-5-

Page 12: 2nd Semester Final Exam Review - Barrington High School · ©6 E2e0d1 D3R 9KSuqt za8 VS7odf yt7w AaWrDeu NLvL dC H.n J qADlmlJ qr 0i4g5hKt4sH Pr NeWsWeKrAvaegdI. 8 s fM CazdDeu MwpiZtOhi

©A Y2A09173I nKEuBtCah RSIozfFtDwOafr5e2 ILpLKCs.K I YAMlbl6 wrxiVgLh0tBsL mrWeJsoeurzvgeBdx.6 h hMFa5dVeH XwHi6tDh1 PIWnRfWi3nNi6t2eD iARlJgLeEbKrtas U1q.C Worksheet by Kuta Software LLC-6-

Answers to 2nd Semester Final Exam Review (ID: 2)

1) (−9, −8) 2) (6, 3) 3) (10, −6) 4) (−3, −2)5) (6, 5) 6) (1, 2) 7) (−1, −1) 8) (8, 8)

9)

x5

2

y310) −16

m13n6

11)

−1

4

y9x9 12)

8

y5

x11

13)

y2

214)

16

v9

u2

15) Not factorable 16)

−(

n − 4)(

n + 2)

17)

4(

r + 6)(

r + 4) 18)

(

n + 2)(

n + 7) 19)

(

v − 3)2 20)

(

2

x + 1)2

21)

(

4

p + 5)(

4

p − 5) 22) Not factorable23)

{

35

,

57} 24)

{

75

,

45}

25) {5, −5} 26) No solution. 27) {1.348, −13.348} 28) {6, −8}29)

70

n2

m 10

mnp 30)

4 210

yz 31)

−2 70

mp 32)

−30

a2b2c2 6

abc

33)

18

h2 10

hjk 34)

−12

x2

y 2

xyz 35) 336)

4 103

37)

7 6 38)

−3 6 +

3 3 39)

2 2 40)

2 2 −

2 6

41)

16 −

4 511

42)

−4 +

4 23

43)

15 10 +

15 2 44)

2 3 + 3

Page 13: 2nd Semester Final Exam Review - Barrington High School · ©6 E2e0d1 D3R 9KSuqt za8 VS7odf yt7w AaWrDeu NLvL dC H.n J qADlmlJ qr 0i4g5hKt4sH Pr NeWsWeKrAvaegdI. 8 s fM CazdDeu MwpiZtOhi

©L 52N0S1O3F vKEuYtgax JSWoQfHt1wqa4rfev QLHLwCt.t 6 2A7lGlN 1rliugKh0t5sy Vr3ezsXeCrMveeldB.Y M BMoahdke3 BweiOtqhQ lI RncfcicnmiptMet jAkl9gmedbkrNaK x1t.E Worksheet by Kuta Software LLC

8th Grade Extended MathID: 3

Name___________________________________

P or S______Date________________©j v230K1b3D TK4u6tZaW CSeo3f 7tNwia7rged hLULeCc.q I FA4lbl r ardi dghhrtjs2 PrwedsfeNrlv9eidF.12nd Semester Final Exam Review

Solve each system.

1) 0 =

−11

x + 24 − 3

y0 =

18 + 8

y + 2

x 2)

−2 −

1029

y =

−1229

x

2

x − 10 = 2

y

3) −

y =

85

x +

215

0 =

3

x + 14 + 8

y

4)

−2 −

2229

y −

829

x = 0

−3

y − 5

x = 4

5)

y = 5

2

x + 2

y = 206)

7

x + 3

y = −9

4

x − 3

y = 9

7)

2

x − 6

y = −2

5

x − 8

y = −58)

−4

x − 7

y = 5

12

x + 21

y = −7

-1-

Page 14: 2nd Semester Final Exam Review - Barrington High School · ©6 E2e0d1 D3R 9KSuqt za8 VS7odf yt7w AaWrDeu NLvL dC H.n J qADlmlJ qr 0i4g5hKt4sH Pr NeWsWeKrAvaegdI. 8 s fM CazdDeu MwpiZtOhi

©m a27071S33 HKZu6tYa0 wSzoqf8tkw4aWr0eL 5LtL7Cd.j z FAklrlx HrIiGgXhztusW orpeXsjexrDvKeIdN.P 5 AMvafdYeU 7wLirtFhF OI tnQf3i2nyiJt4eT eAUlXgKeab0rSal E1g.B Worksheet by Kuta Software LLC

Simplify. Your answer should contain only positive exponents.

9)

(

−2

x2

y4)4

y

x2 ⋅

−2

x

y310)

(

−2

x−1

y3)4

x−2

y0 ⋅

2

y−2

11)

2

x

y2 ⋅

x3

y−4

(

−2

x

y4)212)

−2

x3

x3 ⋅

(

x−3

y3)−1

13)

2

u2 ⋅

2

u−4

v−2

(

v−3 ⋅ 2

v)−1 14)

2

y

x−2 ⋅

(

2

y

x4)3

2

y

x−3

Factor each completely.

15)

x2 + 11

x − 28 16)

a2 +

a − 2

-2-

Page 15: 2nd Semester Final Exam Review - Barrington High School · ©6 E2e0d1 D3R 9KSuqt za8 VS7odf yt7w AaWrDeu NLvL dC H.n J qADlmlJ qr 0i4g5hKt4sH Pr NeWsWeKrAvaegdI. 8 s fM CazdDeu MwpiZtOhi

©D E2d0H1g3o VK7uWteab ZSAoLfxtrw3a7rVeG cL7LACo.T c lA4lGlU Prbi8gmhtt3s2 grEeCsiekrnvJeBdB.y i 3MAaRddeO Pw8iStXhp 6I qnNf5iPnqiptfet oAKlEgnePbqrAaL i19.H Worksheet by Kuta Software LLC

17)

p2 +

p − 30 18)

b2 +

b − 2

19)

16

k2 − 25 20)

27

v2 − 75

21)

4

a2 − 100 22)

9

x2 − 25

Solve each equation.

23)

19

v2 − 5 =

5

v2 − 3

v 24)

95

x2 + 139

x − 285 =

−3

x2 + 6

x − 5

Solve each equation by taking square roots.

25)

9

a2 + 5 = 105 26)

10

x2 − 5 = 505

-3-

Page 16: 2nd Semester Final Exam Review - Barrington High School · ©6 E2e0d1 D3R 9KSuqt za8 VS7odf yt7w AaWrDeu NLvL dC H.n J qADlmlJ qr 0i4g5hKt4sH Pr NeWsWeKrAvaegdI. 8 s fM CazdDeu MwpiZtOhi

©b K2M0N1b3S MKSu2tAaY FSCoZf5tDw0aHrSeY SLjLeC4.f W kAtl0lr arLiDgohZtIsA 7rNeIsAedr1v4eRd9.D q VMoa4djeY Fw7iStKh8 zI FnjfBionNiltqek VAUlcgPeFbrr0a1 P1h.v Worksheet by Kuta Software LLC

Solve each equation with the quadratic formula.

27) 6

k2 = −1

Solve each equation by factoring.

28)

p2 + 2 = −3

p

Simplify. Use absolute value signs when necessary.

29)

−10 245

m3n3p5 30)

2 192

x4y4z5

31)

−2 384

xy4z5 32)

6 512

h4j 3k

33)

−6 128

abc4 34)

10 405

hj 2k5

-4-

Page 17: 2nd Semester Final Exam Review - Barrington High School · ©6 E2e0d1 D3R 9KSuqt za8 VS7odf yt7w AaWrDeu NLvL dC H.n J qADlmlJ qr 0i4g5hKt4sH Pr NeWsWeKrAvaegdI. 8 s fM CazdDeu MwpiZtOhi

©f a2v0U1O3c zKyuatoa9 9S2opfYtzwJaLrHe0 WLcLZC5.Z t yAblUlM ZrUipg2hutbs0 brAeRsRefrCvLeFdD.R N fMuahdkeS VwiiytBhI cI ZnBfTiEnvikt0eq EArl1gxeJbTrua5 F1N.p Worksheet by Kuta Software LLC

Simplify.

35)

3

2 2536)

164

37)

− 6 +

2 2 −

2 38)

3 20 +

3 54 +

2 6

39)

2 45 −

3 5 −

2 20 40)

3 45 −

3 27 −

3 12

41)

3 3

2 3 −

542)

5

5 + 3

43)

6(

3 + 3) 44)

−5 6(

3 + 3)

-5-

Page 18: 2nd Semester Final Exam Review - Barrington High School · ©6 E2e0d1 D3R 9KSuqt za8 VS7odf yt7w AaWrDeu NLvL dC H.n J qADlmlJ qr 0i4g5hKt4sH Pr NeWsWeKrAvaegdI. 8 s fM CazdDeu MwpiZtOhi

©s 52M091D32 cK8unt8aK qS2oafmtkw0aJrVev GLLLRC0.u 3 FA5lRlG LrpieguhNtosv Trnewske6rDvueYdx.y P lMdagdPe2 vwZiFt5h1 LI TnwfAiOnZiktiex IA1l7gPelbkrxaf a1k.S Worksheet by Kuta Software LLC-6-

Answers to 2nd Semester Final Exam Review (ID: 3)

1) (3, −3) 2) (4, −1) 3) (−2, −1) 4) (1, −3)5) (5, 5) 6) (0, −3) 7) (−1, 0) 8) No solution9) −8

x5y12

10)

8

y14

x2 11)

x2

2

y10 12)

2

y3

x3

13)

−8

u2v414) 8

x13y3 15)

−(

x − 4)(

x − 7) 16)

(

a + 2)(

a − 1)

17)

(

p + 6)(

p − 5) 18)

(

b − 1)(

b + 2) 19)

(

4

k + 5)(

4

k − 5) 20)

3(

3

v + 5)(

3

v − 5)21)

4(

a + 5)(

a − 5) 22)

(

3

x + 5)(

3

x − 5)23)

{

12

,

−57} 24)

{

−52

,

87}

25) {3.333, −3.333} 26) {7.141, −7.141} 27) No solution. 28) {−2, −1}29)

−70

p2

m ⋅

n 5

mnp 30)

16

x2y2z2 3

z 31)

−16

y2z2 6

xz

32)

96

h2

j 2

jk 33)

−48

c2 2

ab 34)

90

k2

j 5

hk35)

310

36) 2 37)

− 6 + 2 38)

6 5 +

11 6 39)

− 540)

9 5 −

15 341)

18 +

3 157

42)

5 5 −

1522

43)

3 6 +

3 2

44)

−15 2 −

15 6

Page 19: 2nd Semester Final Exam Review - Barrington High School · ©6 E2e0d1 D3R 9KSuqt za8 VS7odf yt7w AaWrDeu NLvL dC H.n J qADlmlJ qr 0i4g5hKt4sH Pr NeWsWeKrAvaegdI. 8 s fM CazdDeu MwpiZtOhi

©9 Z2Q0Q1E3e rKruOtFav ZSho8fGtQw8anrQe0 VLeLzC6.g 8 AAJlxlp wr9ilg7h1t9st FrkebsiearFvUepds.G l eMIahdceS TwdiVtnhi bI enmfai9ndiztMet nArlhgmeibirYaU M11.f Worksheet by Kuta Software LLC

8th Grade Extended MathID: 4

Name___________________________________

P or S______Date________________©M t2q0T1d3w DKSuZthaJ 5SCorf Lt8wPavrleW LLQLMCr.5 g jAblXl z SrLi DgJhitPsE Mr4e3soeMravhedd0.V2nd Semester Final Exam Review

Solve each system.

1)

8

y − 14 = 10

x

3 + 7

x = 9

y2)

−22

y + 18 + 6

x = 0

y − 3 =

x

3)

23

+

23

x = −

y

0 =

−8

y + 13 − 7

x

4) 5

y =

9

x − 8

−6 + 9

y = 6

x

5)

21

x + 15

y = −8

7

x + 5

y = 06)

−6

x + 2

y = 2

4

x − 6

y = −20

7)

2

x + 8

y = 0

−4

x − 16

y = 08)

−5

x + 2

y = −17

2

x − 3

y = 20

-1-

Page 20: 2nd Semester Final Exam Review - Barrington High School · ©6 E2e0d1 D3R 9KSuqt za8 VS7odf yt7w AaWrDeu NLvL dC H.n J qADlmlJ qr 0i4g5hKt4sH Pr NeWsWeKrAvaegdI. 8 s fM CazdDeu MwpiZtOhi

©S v2m0i1o3J fK6uytuaO WSIoff8tzwQarrMet 9LJL3Cs.N m GAulTl3 srmitgyhMt7sF nr8ejsZeYrLvjeHdo.b y PMNaUdeei lwniRtuhO RI GnefPidnqi2tOeQ 6A4lWgseCbFrXay a17.e Worksheet by Kuta Software LLC

Simplify. Your answer should contain only positive exponents.

9)

2

n

m−2 ⋅

−2

m−1

(

m4

n2)3 10)

(

x3

y3)−4 ⋅

2

x4

−2

x4

11)

u−2

v4 ⋅

v3

−2

u−3

v412)

2

x2

y−1 ⋅

2

x2

y0

(

x

y4)4 ⋅

2

x0

13)

2

x2

y4

(

x−3

y3)3 ⋅

−2

x0

y−414)

2

y

x3 ⋅

−2

x4

y−3

(

−2

x

y4)2

Factor each completely.

15)

v2 +

v − 2 16)

v2 + 2

v − 63

-2-

Page 21: 2nd Semester Final Exam Review - Barrington High School · ©6 E2e0d1 D3R 9KSuqt za8 VS7odf yt7w AaWrDeu NLvL dC H.n J qADlmlJ qr 0i4g5hKt4sH Pr NeWsWeKrAvaegdI. 8 s fM CazdDeu MwpiZtOhi

©P z2A0K143R qK3uEtHaC DSToJfSttw7ahrEe4 QL5LECP.6 6 1Aglilj ErPi7gdhstksQ Mrwe7sGear2vBepdh.C D QMVaYdzeE 0wKiatMhF 1I cnLf7iJnniVtoeP ZAqlrgLexb9rlah 11e.s Worksheet by Kuta Software LLC

17)

n2 − 8

n − 20 18)

n2 −

n + 20

19)

9

m2 + 24

m + 16 20)

32

n2 − 80

n + 50

21)

4

a2 − 12

a + 9 22)

50

k2 + 20

k + 2

Solve each equation.

23)

n2 − 11

n + 15 = −3

n2 24)

172

x2 + 45

x − 17 =

−3

x2 − 7

Solve each equation by taking square roots.

25)

6

k2 + 9 = 33 26)

−9 − 5

a2 = −414

-3-

Page 22: 2nd Semester Final Exam Review - Barrington High School · ©6 E2e0d1 D3R 9KSuqt za8 VS7odf yt7w AaWrDeu NLvL dC H.n J qADlmlJ qr 0i4g5hKt4sH Pr NeWsWeKrAvaegdI. 8 s fM CazdDeu MwpiZtOhi

©4 a220b173Z OKnuttOaE 1S4oZfOt5w7aQrzem 9LaLGCn.E 0 9A7lLlA mr3iBg5hDtcsg urweLsHeMrevKeadm.Y f OMUaIdFeL Kw8iJtWhR 8I cnYf0iQnUiltbe3 YABlbgAeRbvriaq F1l.W Worksheet by Kuta Software LLC

Solve each equation with the quadratic formula.

27) 7

x2 =

6

x + 14

Solve each equation by factoring.

28)

x2 =

−4 − 4

x

Simplify. Use absolute value signs when necessary.

29)

−7 360

p2q4r4 30)

2 160

x2y2z5

31)

−6 72

m4n4p4 32)

6 175

x4y5z4

33)

10 64

h4jk3 34)

−2 125

a2b4c3

-4-

Page 23: 2nd Semester Final Exam Review - Barrington High School · ©6 E2e0d1 D3R 9KSuqt za8 VS7odf yt7w AaWrDeu NLvL dC H.n J qADlmlJ qr 0i4g5hKt4sH Pr NeWsWeKrAvaegdI. 8 s fM CazdDeu MwpiZtOhi

©r d2x0l1r3I GK2uotHaC fSsoCfptSwsaTr9em yLPLhC7.s n PAjlzl1 2rliugHhOthse erieksKe5rtvUepdL.B M 2M2aIdOei Tw1iNtKhF kI XnPfQikn7i5tYeY VAqlhgzeRb9rJaz n16.k Worksheet by Kuta Software LLC

Simplify.

35)

4 216

36)

3 25

2 9

37)

2 2 −

3 3 +

2 12 38)

−2 5 −

2 5 +

2 24

39)

− 20 +

2 3 +

3 3 40)

3 2 −

3 3 −

2

41)

3

3 +

3 342)

3

−5 +

4 2

43)

5(

5 +

4 3) 44)

2(

3 + 10)

-5-

Page 24: 2nd Semester Final Exam Review - Barrington High School · ©6 E2e0d1 D3R 9KSuqt za8 VS7odf yt7w AaWrDeu NLvL dC H.n J qADlmlJ qr 0i4g5hKt4sH Pr NeWsWeKrAvaegdI. 8 s fM CazdDeu MwpiZtOhi

©A M280S1s3n mKBuytbad CSqo7fituwJajrken xLgLhCJ.0 O 7A4lHlP zrliRgmhUt4s2 8r8eis7ebrdvIePdi.X F hMQaqdTeQ XwViOtBhP nI 8npfaiKnEi3tXe8 QAqljgueAbXrHah Z1r.M Worksheet by Kuta Software LLC-6-

Answers to 2nd Semester Final Exam Review (ID: 4)

1) (−3, −2) 2) (−3, 0) 3) (11, −8) 4) (2, 2)5) No solution 6) (1, 4) 7) Infinite number of solutions8) (1, −6)

9)

−4

m15n5 10)

−1

x12y12 11)

v3u

2

12)

2

y17 13)

x11

y14)

x5

y1015)

(

v − 1)(

v + 2)

16)

(

v − 7)(

v + 9) 17)

(

n + 2)(

n − 10) 18)

−(

n − 4)(

n + 5) 19)

(

3

m + 4)2

20)

2

(

4

n − 5)2 21)

(

2

a − 3)2 22)

2

(

5

k + 1)223)

{

52

, 3}24)

{

−25

,

17} 25) {2, −2} 26) {9, −9} 27) {1.906, −1.049}

28) {−2} 29)

−42

q2r2

p 10 30)

8

z2

x ⋅

y 10

z 31)

−36

m2n2p2 232)

30

x2y2z2 7

y 33)

80

h2

k

jk 34)

−10

b2

a ⋅

c 5

c 35) 2

36)

52

37)

2 2 + 3 38)

−4 5 +

4 6 39)

−2 5 +

5 3

40)

2 2 −

3 341)

−1 + 32

42)

15 +

12 27

43)

5 +

4 15

44)

6 +

2 5

Page 25: 2nd Semester Final Exam Review - Barrington High School · ©6 E2e0d1 D3R 9KSuqt za8 VS7odf yt7w AaWrDeu NLvL dC H.n J qADlmlJ qr 0i4g5hKt4sH Pr NeWsWeKrAvaegdI. 8 s fM CazdDeu MwpiZtOhi

©h m2g0S1k36 QKcuotGaV qSho4fItBw3aTrUeJ BL7LKC6.c z NAplRlJ RrIiqgVhvtssY 1r3eOsKeZrhv3etdF.G b oM7aJdHeR ZwMiitKhM tI Dn9fZinnUintFeg 7AHlXgAeUbnr5aH q1s.k Worksheet by Kuta Software LLC

8th Grade Extended MathID: 5

Name___________________________________

P or S______Date________________©u F2a0N163S nKcuftoaZ rSKoNf ftswKaHrFeW ULLLpCm.O Z WAIl Ilb ZrMi TghhIt7sg crSewste2r1vMeKdh.z2nd Semester Final Exam Review

Solve each system.

1) 3

y =

−31 − 5

x

−108 + 30

y + 12

x = 02)

30 + 3

x = 5

y32 =

−4

x + 4

y

3) 2

x =

−4 − 8

y

−18 − 3

x − 6

y = 0 4)

x −

365

=

45

y

−2

x =

19 − 3

y

5)

y = 2

x + 5

y = 136)

3

x + 7

y = −21

−4

x + 5

y = −15

7)

−6

x − 2

y = 12

x + 8

y = −238)

6

x − 6

y = 6

3

x + 6

y = −24

-1-

Page 26: 2nd Semester Final Exam Review - Barrington High School · ©6 E2e0d1 D3R 9KSuqt za8 VS7odf yt7w AaWrDeu NLvL dC H.n J qADlmlJ qr 0i4g5hKt4sH Pr NeWsWeKrAvaegdI. 8 s fM CazdDeu MwpiZtOhi

©Y r2e0p1E31 lKJuittap 5S1oWf0tDw1azrCeo EL5LGCt.o H IA2lVlD Brkibgkhztds6 Mrte7s7eJrivZe7db.F H eMAa5d4er 4wWiVt0hZ gI HnWfjihnsiRtHe0 GA3lvgLeMbkrEa8 P1y.S Worksheet by Kuta Software LLC

Simplify. Your answer should contain only positive exponents.

9)

(2

xy)−1

y−3 ⋅

2

x−210)

x2

y0 ⋅

x0

y−1

(

2

x−1

y4)−2

11)

(

−2

x−3)4 ⋅

(

−2

y

x0)4

x012)

(

2

x2

y3)2

2

x

y2 ⋅

−2

x3

y3 ⋅

y

x−4

13)

2

m−1

n2

(

2

m4

n−2 ⋅

2

m4

n3)2 14)

(

x−3)0

−2

x3

y3 ⋅

y2

Factor each completely.

15)

x2 +

x − 90 16)

b2 − 8

b + 7

-2-

Page 27: 2nd Semester Final Exam Review - Barrington High School · ©6 E2e0d1 D3R 9KSuqt za8 VS7odf yt7w AaWrDeu NLvL dC H.n J qADlmlJ qr 0i4g5hKt4sH Pr NeWsWeKrAvaegdI. 8 s fM CazdDeu MwpiZtOhi

©Z M2k0q1u34 XKnuEtnae RSNoHfptJwsaErsea ILWLeCG.V G cAElclM Tr2iWgIhmtTsl RraeMsze9rFvbeidh.k y RMVaIdjeb FwiiTtMh2 BI 5nFf7iznViutAeE LA5lNgWedbxrPa4 f1A.D Worksheet by Kuta Software LLC

17)

5

x2 − 320 18)

−2

n2 + 16

n − 32

19)

9

x2 − 30

x + 25 20)

25

n2 + 20

n + 4

21)

m2 − 2

m + 1 22)

n2 − 10

n + 25

Solve each equation.

23)

13

b2 + 54

b + 35 = 6

b2 24)

10

n2 − 53

n + 18 =

−8

n − 2

Solve each equation by taking square roots.

25)

2

v2 − 6 = 40 26)

3

x2 + 5 = 203

-3-

Page 28: 2nd Semester Final Exam Review - Barrington High School · ©6 E2e0d1 D3R 9KSuqt za8 VS7odf yt7w AaWrDeu NLvL dC H.n J qADlmlJ qr 0i4g5hKt4sH Pr NeWsWeKrAvaegdI. 8 s fM CazdDeu MwpiZtOhi

©5 y2i0Z1132 eK0uRtUac nSeo9fvt1wwaSreeN aLaLsCO.a K YAklXlc Kr0iEgEh7tlsr Hr1eas1eBr7vqeSdY.u L CMRaPdYeF 6w0iStDhB RI MnYfBiinFiQtUei hAilvg0ePbPrwaz e17.y Worksheet by Kuta Software LLC

Solve each equation with the quadratic formula.

27) 10

x2 =

−4

x + 13

Solve each equation by factoring.

28)

a2 =

12 + 4

a

Simplify. Use absolute value signs when necessary.

29)

6 600

x3y4z4 30)

10 105

jk

31)

10 300

x5y3z3 32)

−2 324

a2b5c3

33)

6 900

x3y5z3 34)

−3 20

p3q2r

-4-

Page 29: 2nd Semester Final Exam Review - Barrington High School · ©6 E2e0d1 D3R 9KSuqt za8 VS7odf yt7w AaWrDeu NLvL dC H.n J qADlmlJ qr 0i4g5hKt4sH Pr NeWsWeKrAvaegdI. 8 s fM CazdDeu MwpiZtOhi

©e 72c001x32 0Kwu7toaC 7SMo6f4tqwsanr0e0 kLQLBCy.0 b KAmlcl5 ariiGgmhztBsE 8rNeas0eSrhvMemdt.i u nMVaRdiel Qw5iQt9hv dI RnFf2iZnWiEtLeW yAAlfgnehberiaR J1n.O Worksheet by Kuta Software LLC

Simplify.

35)

15

5 8036)

54

37)

3 45 −

18 −

2 2 38)

−3 12 −

3 20 −

3 45

39)

−2 3 +

2 18 −

2 8 40)

−2 54 +

3 54 −

2 3

41)

2

2 −

3 542)

−3

5 +

2 5

43)

10(

5 + 3) 44)

10(

2 + 3)

-5-

Page 30: 2nd Semester Final Exam Review - Barrington High School · ©6 E2e0d1 D3R 9KSuqt za8 VS7odf yt7w AaWrDeu NLvL dC H.n J qADlmlJ qr 0i4g5hKt4sH Pr NeWsWeKrAvaegdI. 8 s fM CazdDeu MwpiZtOhi

©t v2Y071D3K 1Kku7thao vSAo2fJtVwJaIrceF wLTLNC2.J W 9AGlTlf zrmi6g7hxtgs0 ur7eDsPe7rxvYehdY.L Q LM8aKdner kwPivtBh5 ZI vnvfeinn5iRtkeE IA5ljgYeobxrwaa 912.R Worksheet by Kuta Software LLC-6-

Answers to 2nd Semester Final Exam Review (ID: 5)

1) (−11, 8) 2) (−5, 3) 3) (−10, 2) 4) (−8, 1)5) (−3, 2) 6) (0, −3) 7) (−1, −3) 8) (−2, −3)

9)

y2x

410) 4

y7

11)

256

y4

x1212)

x4

13)

−1

8

m17 14)

−1

2

x3y515)

(

x + 10)(

x − 9) 16)

(

b − 1)(

b − 7)

17)

5(

x − 8)(

x + 8) 18)

−2

(

n − 4)2 19)

(

3

x − 5)2 20)

(

5

n + 2)2

21)

(

m − 1)2 22)

(

n − 5)223)

{

−57

, −7} 24)

{

12

, 4}25) {4.796, −4.796} 26) {8.124, −8.124} 27) {0.958, −1.358} 28) {−2, 6}29)

60

y2z2

x 6

x 30)

10 105

jk 31)

100

x2

y ⋅

z 3

xyz

32)

−36

b2

a ⋅

c

bc 33)

180

y2

x ⋅

z

xyz 34)

−6

p ⋅

q 5

pr

35)

320

36)

52

37)

9 5 −

5 2 38)

−6 3 −

15 5

39)

−2 3 +

2 2 40)

3 6 −

2 341)

−4 −

6 541

42)

−15 +

6 55

43)

5 2 + 30 44)

2 5 + 30

Page 31: 2nd Semester Final Exam Review - Barrington High School · ©6 E2e0d1 D3R 9KSuqt za8 VS7odf yt7w AaWrDeu NLvL dC H.n J qADlmlJ qr 0i4g5hKt4sH Pr NeWsWeKrAvaegdI. 8 s fM CazdDeu MwpiZtOhi

©J i2l0H1s3Z GKductvaB USEojfftrwfaJr5en KLhLICz.x q qAnl0lJ Fr2iqgfhUtbsb hrSepsceYrLvqeDdK.e M VMjaJd2ey WwAiitKhZ 0IWnOfKiDnEi2tueX QAOl7gXekbHrtaD I1l.G Worksheet by Kuta Software LLC

8th Grade Extended MathID: 6

Name___________________________________

P or S______Date________________©D 52T0z173H GKWuNtXax TSHoFf0tWwRaLriet RLjLFCB.I L pAXl tl d arBi GglhZtBsw cr9ecsGegrvv2eVd0.p2nd Semester Final Exam Review

Solve each system.

1)

−90

x + 10 = −40

y

0 =

x −

49

y −

19

2)

−81

y − 45

x − 27 = 0−10

x =

6 + 18

y

3)

11

x − 5

y = −90 =

−21 + 6

y − 3

x 4)

y −

15

=

15

x

12 =

4

x − 20

y

5)

−3

x + 2

y = 20

3

x − 6

y = −246)

y = 1

−3

x + 8

y = 23

7)

−5

x −

y = −9

−7

x −

y = −158)

4

x + 3

y = 18

−3

x − 6

y = −6

-1-

Page 32: 2nd Semester Final Exam Review - Barrington High School · ©6 E2e0d1 D3R 9KSuqt za8 VS7odf yt7w AaWrDeu NLvL dC H.n J qADlmlJ qr 0i4g5hKt4sH Pr NeWsWeKrAvaegdI. 8 s fM CazdDeu MwpiZtOhi

©j S2r061x3L 9Kuuvtxah MSPolfltXwAabreeL WLxLUCv.i 7 aAqlKlo TrRi3gMhZtCsm brxezsGeOrevqeLd8.2 v SMvaHdYeZ yweidtshz nI enHf9ifnDiZtfe1 HA2lrgAe5ber4aE F1X.4 Worksheet by Kuta Software LLC

Simplify. Your answer should contain only positive exponents.

9)

(

2

m3

2

m−3

n2 ⋅

(−

m)−4 )0

10)

(

2

y

x2

2

x

y−4 ⋅

2

x4 )−3

11)

(

2

m4

n−3

mn ⋅

m4

n4 )2

12)

2

x4

y0 ⋅

(

−2

y4)−3

2

x0

y3

13)

(

x3

y2)−2

−2

x4

y−1 ⋅

2

x3

y314)

2

x−4

y3 ⋅

−2

x

y2

(

y0)3

Factor each completely.

15)

n2 + 14

n + 49 16)

r2 + 13

r + 30

-2-

Page 33: 2nd Semester Final Exam Review - Barrington High School · ©6 E2e0d1 D3R 9KSuqt za8 VS7odf yt7w AaWrDeu NLvL dC H.n J qADlmlJ qr 0i4g5hKt4sH Pr NeWsWeKrAvaegdI. 8 s fM CazdDeu MwpiZtOhi

©h w2n0D1Z31 xKNu1tFa2 8SSo9ftt7wzaWr2ew oLmL5CG.X H PASlulz prci2gLhCt7sA ArLeosKeMrwvmeUd2.2 Y RMYaQdteK owRiUtQht fI rnkfQi1nUiitOeL 5AflvgLebbirRa4 01v.v Worksheet by Kuta Software LLC

17)

−5

n2 + 20

n 18)

4

x2 − 36

x + 32

19)

32

b2 + 80

b + 50 20)

75

x2 − 12

21)

4

a2 − 12

a + 9 22)

2

n2 − 4

n + 2

Solve each equation.

23)

28

v2 + 48

v − 9 = 7 24) 8

b =

−16 − 8

b − 3

b2

Solve each equation by taking square roots.

25)

8

x2 − 2 = 462 26)

8

n2 + 8 = 296

-3-

Page 34: 2nd Semester Final Exam Review - Barrington High School · ©6 E2e0d1 D3R 9KSuqt za8 VS7odf yt7w AaWrDeu NLvL dC H.n J qADlmlJ qr 0i4g5hKt4sH Pr NeWsWeKrAvaegdI. 8 s fM CazdDeu MwpiZtOhi

©g M240P1C3Y WKIuFtraU 2SXotfztUw8aSryem CLdLuCl.u p EAclslQ TrPingphItCsK 1rFeYs7eTrovje5di.m X UMFaldSe7 iwCiQthhE LI wn6fdiFnvi4t2em SAKlbgPe2birdat O1R.O Worksheet by Kuta Software LLC

Solve each equation with the quadratic formula.

27)

7

a2 − 24 = −3

a

Solve each equation by factoring.

28)

k2 − 3

k = 28

Simplify. Use absolute value signs when necessary.

29)

−3 72

p3q3r 30)

−5 105

31)

−7 343

xy5z2 32)

5 245

x4yz2

33)

10 360

x5y5z3 34)

−4 30

-4-

Page 35: 2nd Semester Final Exam Review - Barrington High School · ©6 E2e0d1 D3R 9KSuqt za8 VS7odf yt7w AaWrDeu NLvL dC H.n J qADlmlJ qr 0i4g5hKt4sH Pr NeWsWeKrAvaegdI. 8 s fM CazdDeu MwpiZtOhi

©a i2X0D1c3W SKGuHtYaq gS6o1f5t5w7agrjeI yLALgC7.A t 9AKlqlW Grvi8g0hftssb ZrBejswenr2vteHdQ.z s kMWa4dNej bw8ixtXhy uI 6nuf3i2nUiftieE FARlsgaecbGrWaD O1v.4 Worksheet by Kuta Software LLC

Simplify.

35)

3 312

36)

2 15

2 12

37)

2 2 +

2 18 −

2 8 38)

2 20 +

3 6 −

6

39)

−2 45 −

3 24 +

2 6 40)

−2 6 −

3 6 −

3 8

41)

2

3 +

3 542)

2

3 5 −

2

43)

10(

2 + 3) 44)

−3 5(

3 6 + 5)

-5-

Page 36: 2nd Semester Final Exam Review - Barrington High School · ©6 E2e0d1 D3R 9KSuqt za8 VS7odf yt7w AaWrDeu NLvL dC H.n J qADlmlJ qr 0i4g5hKt4sH Pr NeWsWeKrAvaegdI. 8 s fM CazdDeu MwpiZtOhi

©s V270b193r KK3uhtLa6 dSzoJfUt0wDaIrIea qLBLiCb.B q 2AelFlD Brfiagah7tMsK crWe4sLe9ryvFeYdp.w w JMya2deed Ww7i0tzhF dI vnrfEiunoiRtreb MAXlSgwe1bPrEaw f1J.J Worksheet by Kuta Software LLC-6-

Answers to 2nd Semester Final Exam Review (ID: 6)

1) Infinite number of solutions 2) Infinite number of solutions 3) (1, 4)4) No solution 5) (−6, 1) 6) (−5, 1) 7) (3, −6)8) (6, −2) 9) 1

10)

−8

x9

y15 11)

4

n16m2

12)

x4

8

y15 13)

−1

4

x13y6 14)

4

y5

x315)

(

n + 7)2

16)

(

r + 10)(

r + 3) 17)

−5

n(

n − 4) 18)

4(

x − 8)(

x − 1) 19)

2

(

4

b + 5)2

20)

3(

5

x + 2)(

5

x − 2) 21)

(

2

a − 3)2 22)

2

(

n − 1)223)

{

27

, −2}24)

{

−43

, −4} 25) {7.616, −7.616} 26) {6, −6} 27) {1.65, −2.078}

28) {7, −4} 29)

−18

p ⋅

q 2

pqr 30)

−5 10531)

−49

y2

z 7

xy 32)

35

x2

z 5

y 33)

60

x2y2

z 10

xyz 34)

−4 30

35)

32 36)

52

37)

4 2 38)

4 5 +

2 6

39)

−6 5 −

4 6 40)

−5 6 −

6 241)

− 3 +

3 521

42)

6 5 +

2 243

43)

2 5 +

3 10 44)

−9 30 − 15