Question

Is x - 8 is a factor of the function f(x) = -2x^3 + 17x^2 - 64? Explain

Answer 1

Answer:

To do this we can use the remainder theorem to find the value of the remainder when x=8

f(8)=-2*8³+17*8²-64

f(8)=0

Therefore x-8 is a factor.