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Mathematics, 24.10.2020 14:00 hidagiser

Which pair of lines are perpendicular? y = -8 and y = 2 y = -8 and y = 2 y = -4x + 1 and 8x + 2y = -10 y = -4x + 1 and 8x + 2y = -10 x - y = 7 and y = x + 3 x - y = 7 and y = x + 3 x = 4 and y = -1

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Which pair of lines are perpendicular? y = -8 and y = 2 y = -8 and y = 2 y = -4x + 1 and 8x + 2y = -...
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