Free Practice Question
PS · Problem Solving
sub-505
Absolute Values/Modules
If x is a positive number and the distance from -5 to 0 matches the distance from x to 0, what is the value of x?
Answer Choices
Correct answer marked belowA
2
B
4
C
6
5
Correct
E
8
See the full step-by-step explanation
You can see the correct answer above. Sign in for free to unlock the complete worked solution.
Track your performance and improve
Get detailed analytics, unlock full explanations, and move up difficulty tiers as you practice.
Explanation
Preview
Official Explanation
Official
The distance from -5 to 0 is equal to the distance from x to 0: |5 - 0| = |x - 0|, which…
Read the full explanation
Sign in for free to see the complete step-by-step solution to this question.
Comments
2
Sign in to join the discussion
P
PrathameshNov 22, 2024
finally understood this
M
MrJun 12, 2024
thanks
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
All Quant guidesDetails
Difficulty
sub-505
Type
PS
Category