Difference between revisions of "2013 AMC 12A Problems/Problem 8"
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Cross multiply in either equation, giving us <math>xy=2</math>. | Cross multiply in either equation, giving us <math>xy=2</math>. | ||
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==Solution 2== | ==Solution 2== |
Revision as of 09:52, 1 January 2020
Contents
Problem
Given that and are distinct nonzero real numbers such that , what is ?
Solution 1
Since , we may assume that and/or, equivalently, .
Cross multiply in either equation, giving us .
Solution 2
Since
See also
2013 AMC 12A (Problems • Answer Key • Resources) | |
Preceded by Problem 7 |
Followed by Problem 9 |
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 12 Problems and Solutions |
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