1993 AJHSME Problems/Problem 1
Contents
[hide]Problem
Which pair of numbers does NOT have a product equal to ?
Solution 1
Let's calculate each of the answer choices and see which one DOES NOT equal .
comes out to be ,
equals ,
is ,
simplifies to ,
and equals .
Thus, our answer is .
Solution 2
In order for a product to be positive (), the numbers should either be both positive or both negative. Looking at our answer choices, the only option that does not fit this description is .
See Also
1993 AJHSME (Problems • Answer Key • Resources) | ||
Preceded by First Question |
Followed by Problem 2 | |
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