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## anonymous one year ago Show that the line through (2, 3) and (7, -7) is perpendicular to the line through (3, 3) and (-2, 2).

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1. anonymous

$\LARGE \frac{y_2-y_1}{x_2-x_1}=slope$

2. anonymous

When I do this problem I do not get a perpendicular answer.

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