Finding Zeros and Intercepts

What are the zeros?

• x= 0 and x= -4

• x= 0 and x= 4

• y= 0

• x= 2

Find the solutions to the following.

x²-14x-51=0

• x= 17, -3

• x= -17, 3

• x= -17, -3

How many roots does this parabola have? 

• 3

• 2

• 0

• 1

Which is an x-intercept of the function?

• undefined

• 1

• 2

• -1

Find the roots/zeros of x² - 9

• -3, 3

• -4, 4

Find the roots/zeros of x² - 25

• -4, 4

• -5, 5

Find the roots/zeros of x² + 4x - 21

• -7, 3

• -3, 7

Find the roots/zeros of x² - 3x - 10

• -2, 5

• -5, 2

Find the roots/zeros of x² - x - 20

• -5, 4

• -4, 5

Find the roots/zeros of x² - 2x - 24

• -6, 4

• -4, 6