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18-06-2016
Mathematics

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Line E passes through the points (-3, 4) and (2, 7). What is the slope of a line perpendicular to line E?

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meerkat18 meerkat18

18-06-2016

Slope-intercept form is: y = mx + b where m = slope. Another formula for slope is change in y over change in x. Using these two points,
m= (y2 - y1) / (x2 - x1) =
7 - 4 / 2 - -3 =
m = 3 / 5

The slope is 3 /5.

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