solving quadratics by completing the square - … quadratics by... · solving quadratics by...

6
©Y ZKkuXtRad ESCoYfFt3wLaBrueT ALVLXC1.5 3 sAwlPlZ yreiegth1t3sS Nr9eOsCe4rHvJe0dF.1 J PMnacdleD awfirtrhC 2Ikncfkizndigtieb aABlpg7embirCat G2b.G Worksheet by Kuta Software LLC Grade 10 Academic Math ID: 1 Name___________________________________ Date________________ Solving Quadratics by Completing the Square Solve each equation by completing the square. (every 6 questions is another level of difficulty) 1) n 2 + 10n - 24 = 0 2) v 2 - 8v + 12 = 0 3) m 2 - 10m - 24 = 0 4) m 2 + 12m + 27 = 0 5) x 2 + 6 x - 30 = 0 6) b 2 + 16b + 50 = 0 7) 3v 2 - 12v - 63 = 0 8) 5r 2 + 10r - 15 = 0 9) k 2 + 10k - 24 = 0 10) 7k 2 + 14k - 56 = 0 11) r 2 + 16r - 80 = 0 12) x 2 - 6 x - 78 = 0 13) x 2 - 26 x + 18 = -7 x 14) 10m 2 + 11m - 20 = -4 + 5m 15) x 2 + 10 x - 66 = 10 - 5 x 16) 3v 2 + 24v - 96 = -5v 2 + 1 17) 5 x 2 + 21 x - 91 = -9 18) 4v 2 + 13 = -1 + 3v 2 - 9v

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Page 1: Solving Quadratics by Completing the Square - … Quadratics by... · Solving Quadratics by Completing the Square Date_____ Solve each equation by completing the square. (every 6

©Y ZKkuXtRad ESCoYfFt3wLaBrueT ALVLXC1.5 3 sAwlPlZ yreiegth1t3sS Nr9eOsCe4rHvJe0dF.1 J PMnacdleD awfirtrhC 2Ikncfkizndigtieb aABlpg7embirCat G2b.G Worksheet by Kuta Software LLC

Grade 10 Academic MathID: 1

Name___________________________________

Date________________Solving Quadratics by Completing the Square

Solve each equation by completing the square. (every 6 questions is another level of difficulty)

1)

n

2 + 10

n

− 24 = 0 2)

v

2 − 8

v

+ 12 = 0

3)

m

2 − 10

m

− 24 = 0 4)

m

2 + 12

m

+ 27 = 0

5)

x

2 + 6

x

− 30 = 0 6)

b

2 + 16

b

+ 50 = 0

7)

3

v

2 − 12

v

− 63 = 0 8)

5

r

2 + 10

r

− 15 = 0

9)

k

2 + 10

k

− 24 = 0 10)

7

k

2 + 14

k

− 56 = 0

11)

r

2 + 16

r

− 80 = 0 12)

x

2 − 6

x

− 78 = 0

13)

x

2 − 26

x

+ 18 = −7

x

14)

10

m

2 + 11

m

− 20 =

−4 + 5

m

15)

x

2 + 10

x

− 66 =

10 − 5

x

16)

3

v

2 + 24

v

− 96 =

−5

v

2 + 1

17)

5

x

2 + 21

x

− 91 = −9 18)

4

v

2 + 13 =

−1 + 3

v

2 − 9

v

Page 2: Solving Quadratics by Completing the Square - … Quadratics by... · Solving Quadratics by Completing the Square Date_____ Solve each equation by completing the square. (every 6

©u PK2u7tDax sSpowftt2wWa0rHev 9LYLHCn.S E wAslrl3 2rsikg8hKtwsI 8rGeTsyeorUvueZdl.o 2 8MvaQdseC 2wDixtrhI EIwnZfuipnriFtnev 0APlmgJejbWr7a6 P2a.G Worksheet by Kuta Software LLC

Grade 10 Academic MathID: 1

Name___________________________________

Date________________Solving Quadratics by Completing the Square

Solve each equation by completing the square. (every 6 questions is another level of difficulty)

1)

n

2 + 10

n

− 24 = 0

{2, −12}2)

v

2 − 8

v

+ 12 = 0

{6, 2}

3)

m

2 − 10

m

− 24 = 0

{12, −2}4)

m

2 + 12

m

+ 27 = 0

{−3, −9}

5)

x

2 + 6

x

− 30 = 0

{

−3 + 39,

−3 −

39}6)

b

2 + 16

b

+ 50 = 0

{

−8 + 14,

−8 −

14}7)

3

v

2 − 12

v

− 63 = 0

{7, −3}8)

5

r

2 + 10

r

− 15 = 0

{1, −3}

9)

k

2 + 10

k

− 24 = 0

{2, −12}10)

7

k

2 + 14

k

− 56 = 0

{2, −4}

11)

r

2 + 16

r

− 80 = 0

{4, −20}12)

x

2 − 6

x

− 78 = 0

{

3 + 87,

3 −

87}

13)

x

2 − 26

x

+ 18 = −7

x

{18, 1}14)

10

m

2 + 11

m

− 20 =

−4 + 5

m

{1,

− 85}

15)

x

2 + 10

x

− 66 =

10 − 5

x

{4, −19}16)

3

v

2 + 24

v

− 96 =

−5

v

2 + 1

{

−6 + 2304

,

−6 −

2304 }

17)

5

x

2 + 21

x

− 91 = −9

{

−21 + 208110

,

−21 −

208110 }

18)

4

v

2 + 13 =

−1 + 3

v

2 − 9

v

{−2, −7}

Page 3: Solving Quadratics by Completing the Square - … Quadratics by... · Solving Quadratics by Completing the Square Date_____ Solve each equation by completing the square. (every 6

©5 XKBuQtDal WS6ojfYtLwfa9rYex 3LfLaCp.Z A IAyl4lX mrsiXgPhxt5sr zrnegsuebr9vseIdc.r 9 oM5ajdpem Cwvi6t5hB HIKn9fiiln2iTtde8 yAwlcgVeWbkrQa8 B2z.u Worksheet by Kuta Software LLC

Grade 10 Academic MathID: 2

Name___________________________________

Date________________Solving Quadratics by Completing the Square

Solve each equation by completing the square. (every 6 questions is another level of difficulty)

1)

x

2 − 14

x

− 11 = 0 2)

x

2 − 14

x

+ 13 = 0

3)

k

2 − 10

k

+ 9 = 0 4)

b

2 − 8

b

− 22 = 0

5)

x

2 + 4

x

− 32 = 0 6)

n

2 + 2

n

− 63 = 0

7)

4

a

2 − 8

a

− 32 = 0 8)

5

n

2 + 10

n

− 15 = 0

9)

4

x

2 + 16

x

− 9 = 0 10)

p

2 − 6

p

− 49 = 0

11)

5

n

2 + 20

n

− 60 = 0 12)

n

2 + 14

n

− 71 = 0

13)

9

m

2 + 15

m

− 3 = 8

m

2 14)

a

2 − 12 =

−8 + 3

a

15)

9

x

2 − 10

x

− 82 =

−5 − 12

x

16)

−9

n

2 + 30 =

−10

n

2 − 11

n

17)

k

2 + 12

k

− 6 = 7

k

18)

r

2 − 71 =

r

Page 4: Solving Quadratics by Completing the Square - … Quadratics by... · Solving Quadratics by Completing the Square Date_____ Solve each equation by completing the square. (every 6

©b mKWuXtUay 4SloyfDtgwwaRrCe0 SLKL1CO.P i NAclwlt ErwiCgzhatas9 TrzeysVeirkvceudn.Y K SMfaEdLeq bwmi6tHhG zIpn3fKimnNiAtiej MA3lZguejbPrGak Y2s.k Worksheet by Kuta Software LLC

Grade 10 Academic MathID: 2

Name___________________________________

Date________________Solving Quadratics by Completing the Square

Solve each equation by completing the square. (every 6 questions is another level of difficulty)

1)

x

2 − 14

x

− 11 = 0

{

7 +

2 15,

7 −

2 15}2)

x

2 − 14

x

+ 13 = 0

{13, 1}

3)

k

2 − 10

k

+ 9 = 0

{9, 1}4)

b

2 − 8

b

− 22 = 0

{

4 + 38,

4 −

38}5)

x

2 + 4

x

− 32 = 0

{4, −8}6)

n

2 + 2

n

− 63 = 0

{7, −9}

7)

4

a

2 − 8

a

− 32 = 0

{4, −2}8)

5

n

2 + 10

n

− 15 = 0

{1, −3}

9)

4

x

2 + 16

x

− 9 = 0

{

12

,

− 92}

10)

p

2 − 6

p

− 49 = 0

{

3 + 58,

3 −

58}

11)

5

n

2 + 20

n

− 60 = 0

{2, −6}12)

n

2 + 14

n

− 71 = 0

{

−7 +

2 30,

−7 −

2 30}

13)

9

m

2 + 15

m

− 3 = 8

m

2

{

−15 + 2372

,

−15 −

2372 }

14)

a

2 − 12 =

−8 + 3

a

{4, −1}

15)

9

x

2 − 10

x

− 82 =

−5 − 12

x

{

−1 + 6949

,

−1 −

6949 }

16)

−9

n

2 + 30 =

−10

n

2 − 11

n

{−5, −6}

17)

k

2 + 12

k

− 6 = 7

k

{1, −6}18)

r

2 − 71 =

r

{

1 + 2852

,

1 −

2852 }

Page 5: Solving Quadratics by Completing the Square - … Quadratics by... · Solving Quadratics by Completing the Square Date_____ Solve each equation by completing the square. (every 6

©q ZKYuyt4a5 bSmogfJtlw8aprDee tLPLuC0.4 K wAClalI arXiGgPhntbsy 2rDels5exrivwesdp.d w xMYazd6e6 bwKivthhh 1IWnbfwiCnziYtseV lAGl9gvePbarMaO y2u.I Worksheet by Kuta Software LLC

Grade 10 Academic MathID: 3

Name___________________________________

Date________________Solving Quadratics by Completing the Square

Solve each equation by completing the square. (every 6 questions is another level of difficulty)

1)

n

2 − 8

n

+ 15 = 0 2)

k

2 − 12

k

+ 20 = 0

3)

k

2 + 8

k

+ 8 = 0 4)

n

2 + 14

n

+ 42 = 0

5)

r

2 + 2

r

− 28 = 0 6)

m

2 + 10

m

+ 16 = 0

7)

7

v

2 + 14

v

− 11 = 0 8)

3

x

2 + 18

x

− 87 = 0

9)

3

n

2 + 6

n

− 45 = 0 10)

x

2 − 14

x

+ 1 = 0

11)

a

2 − 2

a

− 35 = 0 12)

x

2 − 18

x

+ 17 = 0

13)

7

a

2 − 19

a

=

−12

a

+ 14 14)

n

2 + 7

n

− 38 = 7

15)

−9

a

2 + 6

a

− 129 =

−9

a

− 10

a

2 16)

5

x

2 + 17

x

− 44 = −7

x

2

17)

4

v

2 +

v

− 22 =

v

2 18)

v

2 + 7

v

− 129 = −8

Page 6: Solving Quadratics by Completing the Square - … Quadratics by... · Solving Quadratics by Completing the Square Date_____ Solve each equation by completing the square. (every 6

©v rKWubtIan pSBo4fTtpwTa2reeV QLfLfCY.T f WAjlDlB Br4iFgEh1tpsQ JruersMeZrvvyebdO.P 3 NMYaQdoeo cwBirtZht TIRnOf3iRniiMt6er KAqlAgxeYbIr8aO e2w.V Worksheet by Kuta Software LLC

Grade 10 Academic MathID: 3

Name___________________________________

Date________________Solving Quadratics by Completing the Square

Solve each equation by completing the square. (every 6 questions is another level of difficulty)

1)

n

2 − 8

n

+ 15 = 0

{5, 3}2)

k

2 − 12

k

+ 20 = 0

{10, 2}

3)

k

2 + 8

k

+ 8 = 0

{

−4 +

2 2,

−4 −

2 2}4)

n

2 + 14

n

+ 42 = 0

{

−7 + 7,

−7 −

7}5)

r

2 + 2

r

− 28 = 0

{

−1 + 29,

−1 −

29}6)

m

2 + 10

m

+ 16 = 0

{−2, −8}

7)

7

v

2 + 14

v

− 11 = 0

{

−7 +

3 147

,

−7 −

3 147 }

8)

3

x

2 + 18

x

− 87 = 0

{

−3 + 38,

−3 −

38}

9)

3

n

2 + 6

n

− 45 = 0

{3, −5}10)

x

2 − 14

x

+ 1 = 0

{

7 +

4 3,

7 −

4 3}

11)

a

2 − 2

a

− 35 = 0

{7, −5}12)

x

2 − 18

x

+ 17 = 0

{17, 1}

13)

7

a

2 − 19

a

=

−12

a

+ 14

{2, −1}14)

n

2 + 7

n

− 38 = 7

{

−7 + 2292

,

−7 −

2292 }

15)

−9

a

2 + 6

a

− 129 =

−9

a

− 10

a

2

{

−15 + 7412

,

−15 −

7412 }

16)

5

x

2 + 17

x

− 44 = −7

x

2

{

43

,

− 114 }

17)

4

v

2 +

v

− 22 =

v

2

{

−1 + 2656

,

−1 −

2656 }

18)

v

2 + 7

v

− 129 = −8

{

−7 + 5332

,

−7 −

5332 }