WILL FAN AND MEDAL:

A polynomial function can be written as (x - 1)(x - 4)(x + 7). What are the x-intercepts of the graph of this function?

(1, 0), (4, 0), (7, 0)

(-1, 0), (-4, 0), (-7, 0)

(1, 0), (4, 0), (-7, 0)

(-1, 0), (-4, 0), (7, 0)

Question

WILL FAN AND MEDAL:


A polynomial function can be written as (x - 1)(x - 4)(x + 7). What are the x-intercepts of the graph of this function?

 (1, 0), (4, 0), (7, 0)

 (-1, 0), (-4, 0), (-7, 0)

 (1, 0), (4, 0), (-7, 0)

 (-1, 0), (-4, 0), (7, 0)

larseighner · Answer

It is already factored for you.  If you can read it off from the factors, try setting each factor equal to zero.