Free Practice Question
PS · Problem Solving
sub-505
Absolute Values/Modules
What integer value of x will minimize the expression | -4x + 9 |?
Answer Choices
Correct answer marked belowA
0
B
1
2
Correct
D
3
E
4
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Explanation
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Official Explanation
Official
To find the integer x that minimizes | -4x + 9 |, we can set the expression inside the absolute value to zero: -4x + 9 = 0. Solving for x gives us x =…
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Comments
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V
VugarNov 23, 2024
Thank for sharing!!!
I
IlyasMay 10, 2024
Can someone explain it other way?
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.
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TopicGMAT Quantitative Reasoning
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Difficulty
sub-505
Type
PS
Category