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How do you find the slope given -2x-7y=21?

1 Answer

Harish Chandra Rajpoot

Jun 29, 2018

$- \frac{2}{7}$ $-2/7$

Explanation:

Given equation of straight line: $- 2 x - 7 y = 21$ $-2x-7y=21$

$y = - \frac{2}{7} x - 3$ $y=-2/7x-3$

Comparing above equation with the slope-intercept standard form of straight line: $y = m x + c$ $y=mx+c$ we get

$m = - \frac{2}{7}$ $m=-2/7$ & $c = - 3$ $c=-3$

hence, the slope of given line is $m = - \frac{2}{7}$ $m=-2/7$

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