Solutions to Quadratics

The x-intercepts of a quadratic equation are known as the _____.

• vertices

• squares

• zeros

• formulas

How many solutions are there?

• 0

• 1

• 2

• Cannot be determined

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

The solutions of a quadratic equation are known as the _____.

• Vertices

• Roots

• Squares

• Formulas

Select the best answer.

• A

• B

• C

• D

Select the solutions to the equation

4x² + 11x + 7 = 0

• x = - 1.75

• x = 6

• x = - 1

• x = 1

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 are the solutions to the quadratic equation?

• x = -4

• x = 1

• x = -1

• x = 2

• x = 4

Which of the following is are solutions to the quadratic equation?

• -9, 4

• 9, -4

• 9, 4

• -9, -4