Question

What is the slope of the line that passes through the points (3, -2) and (9, -2)?
3
0
-3
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Answer 1

$\text{The formula of a slope}\\\\m=\dfrac{y_2-y_1}{x_2-x_1}\\\\\text{We have the points (3, -2) and (9, -2). Substitute:}\\\\m=\dfrac{-2-(-2)}{9-3}=\dfrac{0}{6}=0\\\\Answer:\ 0$