Free Practice Question
PS · Problem Solving
sub-505
Absolute Values/Modules
If y < 0, which of the following represents a positive number?
Answer Choices
Correct answer marked belowA
y/|y|
B
|y|/y
C
y|y|
-y|y|
Correct
E
y|-y|
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Explanation
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Official Explanation
Official
Given that y < 0, we know that y is a negative value. The absolute value |y| is equal to -y since y is negative. We need to find which expression results in a…
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Comments
2
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D
DillanOct 22, 2024
greatt question!
B
BaabaAug 3, 2024
Great question!
What this question tests
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
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Difficulty
sub-505
Type
PS
Category