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SAT Math

Category - Geometry and Measurement

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What is the slope of a line in the figure below?

-1/2
-1/4
1
1/4
1/2

Explanation

Answer: A - The slope of a line is -1/2. Use the formula for the slope: (y_2-y_1)/(x_2-x_1 ).
A(-2,2),B(4,-1)
(y_2-y_1)/(x_2-x_1 )=(-1-2)/(4-(-2) )=(-3)/(4+2)=-3/6=-1/2

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