Problem 550

Sir SagarJanuary 26, 20150

Find the slope of the line through the points (-1, 2) and (9, 7).

Solution:-

Use the slope formula $m = \frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

$m = \frac{7- 2 }{9- (-1)}$

$m =\frac{1}{2}$

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