Solving Quadratics by Reasoning

• x = -4

• x = 2

• x = -2

• x = 4

What is another word that describes the zeroes of a quadratic function?  

• y-intercepts

• vertex

• x-intercepts

• maximum

How many zeros does this parabola have? 

• 3

• 2

• 0

• 1

4 and 2
-4 and -2
4 and -2
-4 and 2

• 4 and 2

• -4 and -2

• 4 and -2

• -4 and 2

Select the solutions to the equation

4x² + 11x + 7 = 0

• x = - 1.75

• x = 6

• x = - 1

• x = 1

• A

• B

• C

• D

• 2

• -2

• 4

• -4

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

What method is being used to solve the Quadratic?

• Quadratic Formula

• Factoring

• Completing the Rectangle

• Completing the Square

Evaluate responses using AI:

OFF