Square Roots
Square Root Equations
FOIL
Factoring (a=1)
Factoring (a>1)
100

Find the square root of 16.

4 and -4

100

x2+5 = 14

3 and -3

100

(x+4)(x−8)

x2−4x−32

100

x+ 2x + 1

(x + 1)(x + 1)

100

2x- 5x - 3

(2x + 1)( x - 3)

200

Find the square root of 289.

17 and -17

200

3x2 - 8 = 19

3 and -3

200

(x−2)(x−5)

x2−7x+10

200

x+ 10x + 21

(x + 7)(x + 3)

200

5x+ 2x - 7

(x - 1)(5x + 7)

300

Find the square root of 68.

8.25 and -8.25

300

7x2+5 = 33

2 and -2

300

(6x+2)(2x-8)

12x2 - 44x - 16

300

x- 16x + 63

(x - 7)(x - 9)

300

8x- 10x + 3

(2x - 1)(4x - 3)

400

Find the square root of 49/121

7/11

400

(x + 3)2= 49

4 and -10

400

(3x - 3)(7x+4)

21x2 - 9x - 12

400

x- 7x - 18

(x - 9)(x + 2)

400

2x+ 3x - 20

(x + 4)(2x - 5)

500

Find the square root of 64x2y4

8xy2

500

5(x - 9)2= 125

14 and 4

500

(5x - 4)(3x−6)

15x2−42x+24

500

x- 5x - 14

(x - 7)(x + 2)

500

6x- 7x - 20

(3x + 4)(2x - 5)

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