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

x2 + 16x + c

What is 64

100

x2-20x+87=-4

13, 7

100

6x2-12x-96=-6

5, -3

200

(x+10)2 = 81

What is x = -19 and x = -1

200

x2 + 6x + c

What is 9

200

x2-8x-2=-9

7, 1

200

3x2-6x-13=-4

3, -1

300

(x+5)2 = 64

What is x= -13 and x = 3

300

x2 - 12 + c

What is 36

300

x2+12x+18=-9

-3, -9


300

2x2-8x-14=10

6, -2

400

(x-11)2 = 169

What is x = 24 and x=-2

400

x2 + 24x + c

What is 144

400

x2+6x-77=-5

6, -12

400

4x2+16x-38=10

2, -6

500

(x+4)2 = 225

What is x = 11 and x=-19

500

x2 + 30x + c

What is 225

500

x2+4x-43=2

5, -9

500

4x2+16x-42=-9

1.5, -5.5

M
e
n
u