Difference between revisions of "2022 AMC 10A Problems/Problem 6"
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The only answer choice equal to <math>5</math> for <math>a=-1</math> is <math>A</math>, so the answer is <math>\boxed{\textbf{(A) } 3-2a}.</math> | The only answer choice equal to <math>5</math> for <math>a=-1</math> is <math>A</math>, so the answer is <math>\boxed{\textbf{(A) } 3-2a}.</math> | ||
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-MathWizard09 | -MathWizard09 | ||
Revision as of 01:48, 12 November 2022
Contents
Problem
Which expression is equal to for
Solution
We have ~MRENTHUSIASM
Solution 2
WLOG, assume Then, the given expression simplifies to :
Then, we test each of the answer choices to see which one is equal to :
The only answer choice equal to for is , so the answer is
-MathWizard09
See Also
2022 AMC 10A (Problems • Answer Key • Resources) | ||
Preceded by Problem 5 |
Followed by Problem 7 | |
1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 | ||
All AMC 10 Problems and Solutions |
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