Solving Quadratics Practice

Which method is most efficient to solve:
7x²  - 28 = 0

• Square Roots

• Factoring

• Completing the Square

• Quadratic Formula

Which method is most efficient to solve:
x²  -  6x + 2 = 0

• Square Roots

• Factoring

• Completing the Square

• Quadratic Formula

Which method is most efficient to solve:
x²  -  11x + 10 = 0

• Square Roots

• Factoring

• Completing the Square

• Quadratic Formula

Which method is most efficient to solve:
.02x²  -  .5x + 3 = 0

• Square Roots

• Factoring

• Completing the Square

• Quadratic Formula

The quadratic function y = -2x² + 4x + 6 is pictured. What are the solutions to the equation 7.5 = -2x² + 4x + 6?

• x = 0.5

• x = 1.5

• x = 1

• x = 8

• x = 6

• A

• B

• C

• D

What are the solutions to the quadratic equation?

• x = -4

• x = 1

• x = -1

• x = 2

• x = 4

Select the solutions to the equation

4x² + 11x + 7 = 0

• x = - 1.75

• x = 6

• x = - 1

• x = 1

• 8 seconds
• 2.5 seconds
• 2.225 seconds
• 2.5 seconds

8 seconds

• 8 seconds

• 2.5 seconds

• 2.225 seconds

• 2.5 seconds