Quadratic Equations Mastery Mode

Solve the quadratic equation by factoring: 2x^2 - 9x - 5 = 0

• x = -1/2, 5

• x = -1/2, -5

• x = 1/2, 5

• x = 1/2, -5

Tags

CCSS.HSA-REI.B.4B

Find the roots of the quadratic equation using the quadratic formula: 4x^2 + 8x + 3 = 0

• The roots of the quadratic equation 4x^2 + 8x + 3 = 0 are x = -1/2 and x = -3/2.

• The roots are x = 1 and x = 3

• The roots are x = 0 and x = -3

• The roots are x = -2 and x = -1

Tags

CCSS.HSA-REI.B.4B

Solve the quadratic equation by factoring: x^2 - 5x + 6 = 0

• x = 3, x = 5

• x = 2, x = 4

• x = 2, x = 3

• x = 1, x = 4

Tags

CCSS.HSA-REI.B.4B

Factor the quadratic expression: x^2 + 6x + 9

• (x + 3)^2

• (x + 5)^2

• (x + 2)^2

• (x + 4)^2

Tags

CCSS.HSA.APR.C.4

• -1 and 3
• 1 and -3
• -1 and -3
• 1 and 3

• A

• B

• C

• D

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

Select the solutions to the equation

4x² + 11x + 7 = 0

• x = - 1.75

• x = 6

• x = - 1

• x = 1

A frog is sitting on the ground when he is scared by a big dog. His movement is modeled by the equation h = -6t² + 6t where h is the frog's height at any given time, t . How many seconds until the frog is back on the ground?

• 0.5 seconds

• 1 second

• 1.5 seconds

• 2 seconds

• 3 seconds

What are the solutions to the quadratic equation?

• x = -4

• x = 1

• x = -1

• x = 2

• x = 4