abbyalabsi abbyalabsi

02-12-2020
Mathematics

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Are these lines parallel, perpendicular, or neither? y = 3x - 14 and y = -1/3x + 9

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Knight338 Knight338

02-12-2020

Perpendicular: the way you know is the slope or in this case 3 is turned into its reciprocal and changed to its opposite which is negative.

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