Use the remainder theorem to evaluate f(k), then determine if k is a factor.

Question

f(x)=10x^3-41x^2+32x+20; 5/2

Answer 1

f(5/2) is the remainder when f(x) is divided by (x - 5/2)

This site can help:

http://calc101.com/webMathematica/long-divide.jsp