Complete the Square

Perfect Square Trinomials / Find the "blank"

100

x^2 - 2x + 

1

200

x^2 + 8x + 

16

300

x^2 - 6x +  

9

400

x^2 + 5x + 

25/4

500

x^2 + 9x +

81 / 4

Complete the square

100

x^2 - 4x - 5 = 0

x = 5, -1

200

x^2 + 4x - 21 = 0

x = 3, -7

300

x^2 -6x + 5 = 0

x = 5, 1

400

x^2-20x-53=-9

x = 22 , -2

500

x^2 - 18x - 84 = 4

x = 22, -4

Complete the Square w/ a>1 , i's , & radicals

100

7x^2 - 14x - 21 = 0

x = 3, -1

200

DAILY DOUBLE -> x = -1 +-i\sqrt 11

x = -1 +- i \sqrt 11

300

3x^2 +12x+99=0

x= -2+-i\sqrt29

400

6x^2-12x-66=0

x=1+-2\sqrt3

500

4x^2 - 16x + 64 = 0

x = 2 +- 2i\sqrt 3

Complete the square w/ fractions

100

x^2 - 9x + 18 = 0

x = 6,3

200

x^2 -5x - 84 = 0

x = 12, -7

300

7x^2 -10x + 6 = 3

x = 1, 3/7

400

5x^2-4x-2=7

x = 9/5, -1

500

8x^2+4x-85=2

x = (-1+-5\sqrt7)/4

RANDOM

100

x^2 - 2x - 48 = 0

x = 8, -6

200

x^2 + 2x - 71 = 0

x = -1 +- 6\sqrt2

300

x^2 +8x +37 = 0 

x = -4 +- i\sqrt 21

400

8x^2 -20x-6=0

x = (5+-\sqrt37)/4

500

3x^2 -18x+71=0

x = (9+-2i\sqrt 33)/3