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Mathematics 12 Online
OpenStudy (anonymous):

Tell whether the lines for each pair of equations are parallel, perpendicular, or neither for questions 3 and 4 1. y = -7/8x -1 and -8x +7y = -21 A.Parallel B.Perpendicular C.Neither 2. y = -1/4x + 10 and -2x + 8y =6 A. Parallel B.Perpendicular C. Neither Please explain :)

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