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Basic operations, simple factors, factor Theorem, Remainder Theorem, Division of polynomials.

If (x - 2) is a factor of (x2 + 3qx - 2q), then the value of q is :

Option:
A. 2
B. -2
C. 1
D. -1
Answer: D . -1

Justification:

Since (x - 2) is a factor, so x = 2 will make (x2 + 3qx - 2q) zero.
So, 4 + 6q - 2q = 0  or  q = -1. 

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