SOLUTION: can you help with this? use the remainder therom to evaluate P(x)=-4x^3+x^2-2x+7, for x=-2. I came up with 47, am i correct? thank you.

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: can you help with this? use the remainder therom to evaluate P(x)=-4x^3+x^2-2x+7, for x=-2. I came up with 47, am i correct? thank you.      Log On


   

Question 106675: can you help with this? use the remainder therom to evaluate P(x)=-4x^3+x^2-2x+7, for x=-2. I came up with 47, am i correct? thank you.
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
P(x)=-4x^3+x^2-2x+7, for x=-2.
.
-2 | -4 +1 -2 +7
=======>+8-18 40
--------------------
====>-4 +9-20+47
.
You are correct.
f(-2)=47
.
Ed