Free Practice Question
PS · Problem Solving
705-805
Absolute Values/Modules
What is the product of all the solutions of (x + 2)^2 = |x + 2|?
Answer Choices
Correct answer marked below-6
Correct
B
-2
C
2
D
6
E
12
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Explanation
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What it tests
Your ability to solve absolute-value equations and inequalities by considering both cases.
Common trap
Dropping the absolute value bars entirely or missing that |x| = k has two solutions when k > 0.
Related GMAT Topic Guides
Quant
TopicGMAT Quantitative Reasoning
All Quant guidesDetails
Difficulty
705-805
Type
PS
Category