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Editor
 Sep 18, 2022
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Difficulty: Easy
A: 
$\frac{y_{1}-y_{2}}{x_{1}-x_{2}}$
B: 
$\frac{y_{2}-y_{1}}{x_{1}-x_{2}}$
C: 
$\frac{y_{1}-y_{2}}{x_{2}-x_{1}}$
D: 
$\frac{x_{2}-x_{1}}{y_{2}-y_{1}}$
NETNUST Entry TestMathematicsIntroduction to Analytical Geometry