Question

What is the slope of the line passing through the points (–1, 3) and (4, –7)?

Answer 1

$slope=\frac{y_2-y_1}{x_2-x_1}\\\\ (x_1,y_1)=(-1,3)\\ (x_2,y_2)=(4,-7)\\\\ slope=\frac{-7-3}{4+1}=\frac{-10}{5}=-2\\\\ Slope\ is\ equal\ to\ -2.\\Answer\ is\ D.$

Answer 2

The answer is a.2 because this coordinate is the only one along the slope
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