Methods to Solve Quadratic Equations Review

Which TWO methods could be used to solve this equation? 2x² + 4x - 6 = 0

• Square Root Method

• Factor Method

• Quadratic Formula

• Completing the Square

Tags

CCSS.HSA-REI.B.4B

Solve Using the Quadratic Formula
 x² + 4x - 40 = -8

• -10 & -4

• -4 & 10

• -8 & 4

• 8 & -4

Tags

CCSS.HSA-REI.B.4B

Which TWO methods could be used to solve this equation? x² - 3x - 54 = 0

• Square Root Method

• Factor Method

• Complete the Square

• Quadratic Formula

Tags

CCSS.HSA-REI.B.4B

Which TWO methods could be used to solve this equation?

x² + 2x = -9

• Square Root Method

• Factor Method

• Complete the Square

• Quadratic Formula

Tags

CCSS.HSA-REI.B.4B

Solve the equation by the method of your choice (Completing the Square, Quadratic Formula, Factoring).

• -10, 4

• 10, -4

• 3, 8

• -3, -8

Tags

CCSS.HSA-REI.B.4B

• -2, 2

• 2

• -2

• no solution

Tags

CCSS.8.EE.A.2

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 brick falls from the top of a building.  The equation h=-16t² - 21t + 200 represents the height of the brick h in feet after t seconds.  How long will it take the brick to reach the ground? Round your answer to the nearest tenth as needed.)

• 2.8

• 2.9

• 3.0

Select the solutions to the equation

4x² + 11x + 7 = 0

• x = - 1.75

• x = 6

• x = - 1

• x = 1

• -1, 1

• no solution

• -2, 2

• -1

Tags

CCSS.8.EE.A.2