Solve Quadratic Function By Grphing

What are the zeros?

• x= 0 and x= -4
• x= 0 and x= 4
• y= 0
• x= 2

What do the "Zeros" represent on a quadratic equation graph?

• x-intercepts

• y-intercepts

• vertex

• focus

What  are the roots of this graph?

• -2 and 3
• -1/2 and -6
• -2 and -6
• 3 and -6

What are the solutions?

• 0 and 8
• -2 and -4
• 3 and -1
• 2 and 4

How many zeros does this parabola have? 

• 3
• 2
• 0
• 1

If the graph of a quadratic does not intercept the x-axis at any point, then it has:

• 1 Real Solution
• 2 Real Solutions
• Half a Solution
• No Real Solution

To solve a quadratic by graphing is to find where the parabola crosses the x-axis (x-intercept). We also call these the ___. Select all that apply.

• zeroes

• y-intercept

• solutions

• roots

What are the solutions to this quadratic function?

• x = 0

• No solution

• (0, 3)

• y = 3

The equation y = x² + 3x - 18 is graphed.  Based on this graph, what are the roots of the equation x² + 3x - 18 = 0?

• -3 and 6
• 0 and -18
• 3 and -6
• 3 and -18

The equation y = -x² - 2x + 8 is graphed.  Based on this graph, what are the roots of the equation -x² - 2x + 8 = 0?

• 8 and 0
• 2 and -4
• 9 and -1
• 4 and -2