2.7k views
3 votes
Given f(x) = x^3 - 5x^2 + kx + 4 and that x-2 is a factor of f(x), what is the value of k?

a. k = 0
b. k = -4
c. k = -2
d. k = 4

User NoDachi
by
4.8k points

2 Answers

7 votes
Either I’m being really dumb or this doesn’t work, x=2 because x-2 is a factor... the answer seems to be a lot larger than these
User Rupak
by
4.2k points
3 votes
Answer : k = 4
please refer to the solution below :)
Given f(x) = x^3 - 5x^2 + kx + 4 and that x-2 is a factor of f(x), what is the value-example-1
User DJL
by
5.3k points