Solving Quadratic Equations

Solve by Factoring

100

Solve the quadratic:

x²+7x+10=0

x=-2,-5

200

Solve the quadratic:

x²-10n+24=0

x=4,6

300

Solve the quadratic:

x²+3n-12=6

x=-6,3

400

Solve the quadratic:

6x²-18x-24=0

x=4,-1

500

Solve the quadratic:

3x²-16x-12=0

x=-2/3,6

Solve by Square Roots

100

Solve the quadratic using square roots:

x²=16

x=4, -4

200

Solve the quadratic by square roots:

x²=75

x= 5sqrt(3), -5sqrt(3)

300

Solve the quadratic by square roots:

2x²=-144

No solution

400

Solve the quadratic by using square roots:

9x²+10=91

x=3,-3

500

Solve the quadratic by using square roots:

3-4x²=-77

x= 2sqrt(5), -2sqrt(5)

Solve by using the Quadratic Formula

100

Solve the equation using the Quadratic Formula:

2x²+2x-12=0

x=2,-3

200

Solve the equation using the Quadratic Formula:

2x²-7x-3=0

x= (-7 +- sqrt(73))/4

300

Solve the equation using the Quadratic Formula:

9x²-7x-4=0

x= (7+- sqrt(193))/18

400

Solve the equation using the Quadratic Formula:

8x²+7x-8=0

x= (-7+- sqrt(305))/16

500

Solve the equation using the Quadratic Formula:

9x²+4x-16=0

x= (-2+- 2sqrt(37))/9