granny06190 granny06190
  • 20-04-2022
  • Mathematics
contestada

How many x intercepts does the polynomial function y=(x-8)(x+3)^2

Respuesta :

rubahassan583
rubahassan583 rubahassan583
  • 20-04-2022

Answer:

The answer is 2 x-intercepts

Step-by-step explanation:

To determine the x-intercepts we set y to zero and solve for x:

y=0

(x-8)(x+3)^2=0

The product of 2 factors is 0 means that one of them must be 0:

x-8=0 ⇒ x=8        →first x-intercept

or (x+3)^2=0 ⇒ x+3=0 ⇒ x=-3         →second x-intercept

Therefore the polynomial function two roots, so it has two x-intercepts x=8 and x=-3

Hope this helps :)

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