Answers of Sqrt
Solving Quadratics By Taking Square Roots
Box Method
Quadratic Formula
100

Simplify the Square Root of 144

-12, 12

100

Solve the equation by taking the square root : 

x2=81

-9,9

100

(x-10)(x-2)

x2-12x+20

100

Solve by using the Quadratic Formula 

2x2+9+11x = 0

-1, -9/2

 

200

Simplify the Square Root of 225

-15, 15

200

Solve the equation by taking the square root : 

7x2=63

x = -3, 3

200

(x+2)(x+4)

x2+6x+8

200

Solve the equation 4x2+8x-5=0

-5/2, 1/2

300

Simplify the Square Root of 121

-11, 11

300

Solve the equation by taking the square root : 

x2+9=13

-2, 2

300

(3x+6)(6x+15)

6x2+27x+30

300

Solve by using the Quadratic Formula 

3x2+9x-2=0

(-9+(sqrt105))/6

(-9-(sqrt105))/6

400

Simplify the Square Root of 123

no rational soluiton

400

Solve the equation by taking the square root : 

7x2-3=459

-sqrt 66, sqrt 66

400

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

12x2-x-20

400

Solve by using the Quadratic Formula 

2x2+2=-5


-sqrt14/2, sqrt14/2

500

Simplify the Square Root of 32

4sqrt2

-4sqrt2

500

Solve the equation by taking the square root : 

6x2-9=255

+-sqrt(44)

500

(5x+12)2

25x2+120x+144

500

Solve by using the Quadratic Formula 

6x2-7x=-6


(7+sqrt95)/12, (7-sqrt95)/12