SOLUTION: I need help with this problem: Find the value of K so that x = -1 is a zero of y = {{{2x^3 + x + k}}}.

SOLUTION: I need help with this problem: Find the value of K so that x = -1 is a zero of y = {{{2x^3 + x + k}}}.

Algebra.Com

Question 1001742: I need help with this problem:
Find the value of K so that x = -1 is a zero of y = .
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
Okay, plug x = -1 into

and set it equal to zero...we get
2(-1)^3 + (-1) + k = 0
-2 - 1 + k = 0
k = 3
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