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OpenStudy (anonymous):
Select the pair of equations whose graphs are perpendicular. A. 2x – 8y = 9 12x – 3y = 7 B. 3x + 6y = 8 y = 2x – 8 C. y = 2x – 7 x + y = 3 D. 2y = –3x + 5 2x + 3y = 4 is there any other way to solve this other than graphing?
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OpenStudy (anonymous):
No there isn't
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