Solve by finding square roots

Solve by finding square roots

Find "c" to complete the square

Solve by Completing the Square (a=1)

Solve by Completing the Square (a not 1)

100

(x-4)^{2} = 25

What is x = 9 and x =-1

100

x^{2} + 16x + c

What is 64

100

x^{2}-20x+87=-4

13, 7

100

6x^{2}-12x-96=-6

5, -3

200

(x+10)^{2} = 81

What is x = -19 and x = -1

200

x^{2} + 6x + c

What is 9

200

x^{2}-8x-2=-9

7, 1

200

3x^{2}-6x-13=-4

3, -1

300

(x+5)^{2} = 64

What is x= -13 and x = 3

300

x^{2} - 12 + c

What is 36

300

x^{2}+12x+18=-9

-3, -9

300

2x^{2}-8x-14=10

6, -2

400

(x-11)^{2} = 169

What is x = 24 and x=-2

400

x^{2} + 24x + c

What is 144

400

x^{2}+6x-77=-5

6, -12

400

4x^{2}+16x-38=10

2, -6

500

(x+4)^{2} = 225

What is x = 11 and x=-19

500

x^{2} + 30x + c

What is 225

500

x^{2}+4x-43=2

5, -9

500

4x^{2}+16x-42=-9

1.5, -5.5

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