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OpenStudy (anonymous):
The slope of a line that is perpendicular to a line whose slope is -2/7 is
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jimthompson5910 (jim_thompson5910):
Rule: Given a slope of a/b, the perpendicular slope is -b/a (where 'a' is not 0)
jimthompson5910 (jim_thompson5910):
so in this case, the given slope is -2/7 the idea is to flip the fraction and flip the sign to get the perpendicular slope
jimthompson5910 (jim_thompson5910):
Original Slope: -2/7 Flip the fraction: -2/7 ----> -7/2 Flip the sign: -7/2 ----> +7/2 = 7/2 Therefore, the perpendicular slope is 7/2
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