Solving Quadratic Equations by Graphing

What are the solutions to the function?

Answer explanation

When the function is set = 0, the x-intercepts are the solutions to the equation.

The x-intercepts have y-values of 0, which is why we set the function equal to 0.

What are the solutions to the quadratic function?

What are the solutions to the quadratic function?

What are the solutions to the quadratic equation?

• x = -4

• x = 1

• x = -1

• x = 2

• x = 4

What are the solutions to the quadratic function?

• x = -1

• x = 3

• x = 4

• x = 0

• x = 2

The quadratic function y = -2x² + 4x + 6 is pictured. What are the solutions to 6 = -2x² + 4x + 6?

• x = 0

• x = 2

• x = -1

• x = 3

• x = 6

The equation y = -0.5x² + 0.5x + 6 is pictured. What are the solutions to the equation 3 = -0.5x² + 0.5x + 6?

• x = -2

• x = 3

• x = -3

• x = 4

• x = 6

The quadratic function y = -0.5x² + 0.75x + 5 is pictured. What are the solutions to the equation 1.5 = -0.5x² + 0.75x + 5?

• x = -2

• x = 3.5

• x = -2.5

• x = 4

• x = 3

The quadratic function y = -0.25x² + 0.25x + 5 is pictured. What are the solutions to the equation 3.5 = -0.25x² + 0.25x + 5?

• x = 3

• x = -2

• x = -4

• x = 5

• x = -3

The quadratic function y = 0.25x² + 0.75x - 1 is pictured. What are the solutions to the equation -1 = 0.25x² + 0.75x - 1?

• x = -3

• x = 0

• x = 1

• x = -4

• x = 3