If a line passes through the points (20,5) and (10,10), then the slope of the line is -2.

Name: If a line passes through the points (20,5) and (10,10), then the slope of the line is -2.
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Question

Quizplus · Accepted Answer

The slope of a line passing through two points $(x_1, y_1)$ and $(x_2, y_2)$ is given by $\frac{y_2 - y_1}{x_2 - x_1}$. For the points (20,5) and (10,10), the slope is $\frac{10 - 5}{10 - 20} = \frac{5}{-10} = -\frac{1}{2}$, not -2.

If a Line Passes Through the Points (20,5) and (10,10)