1951 AHSME Problems/Problem 21

Problem

Given: $x > 0, y > 0, x > y$ and $z\not \equal{} 0$ (Error compiling LaTeX. Unknown error_msg). The inequality which is not always correct is:

$\textbf{(A)}\ x \plus{} z > y \plus{} z \qquad\textbf{(B)}\ x \minus{} z > y \minus{} z \qquad\textbf{(C)}\ xz > yz$ (Error compiling LaTeX. Unknown error_msg) $\textbf{(D)}\ \frac {x}{z^2} > \frac {y}{z^2} \qquad\textbf{(E)}\ xz^2 > yz^2$

Solution

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1951 AHSC (Problems • Answer Key • Resources)
Preceded by Problem 20	Followed by Problem 22
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1951 AHSME Problems/Problem 21

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