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OpenStudy (anonymous):
SOLVE PLEASE!
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OpenStudy (anonymous):
Which pair or equations represents two perpendicular lines? Option A: y = -7/8x + 3 and -7y = -8x B: 8y = 3x +40 and y = 8/3x -1 C: 5y = 15 - 2x and 2/5x - 4 = y D: y = 9x + 3 and y = 9x - 1/3
OpenStudy (ksaimouli):
joke of the decade
OpenStudy (anonymous):
its there now... @CliffSedge
OpenStudy (anonymous):
perpendicular lines are lines with negative reciprocal slopes
OpenStudy (anonymous):
so which one would it be?
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OpenStudy (anonymous):
option A?
OpenStudy (anonymous):
-7/8 and 8/7 are negative reciprocals
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