Solutions to Quadratics

How many zeros does this parabola have?

• 3

• 2

• 0

• 1

How many solutions (roots) does this graph have?

• one

• two

• no solutions

• cannot be determined

Use the graph to determine the roots.

• -1 and -3

• 1 and -3

• 1 and 3

• -1 and 3

How many solutions are there?

• 0

• 1

• 2

• Cannot be determined

• J

• F

• G

• H

• C

• A

• B

• D

The solutions to a quadratic equation are x = 4 and x = -3. Which equations have these solutions? ​ (a)  

Select the solutions to the equation

4x² + 11x + 7 = 0

• x = - 1.75

• x = 6

• x = - 1

• x = 1

What are the solutions to the quadratic equation?

• x = -4

• x = 1

• x = -1

• x = 2

• x = 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