If two lines are perpendicular which statement must be true

Asked by admin @ 09/10/2021 in Mathematics viewed by 322 People

If two lines are perpendicular, which statement must be true?

A. Their slops are reciprocals
B. Their slopes are opposite
C. Their slopes are the same
D. Their slopes are negative reciprocals

Answered by admin @ 09/10/2021

If two lines on a graph are perpendicular, then
their slopes are negative reciprocals.

Examples:

-- slope of one line = 2 . . . . . slope of a perpendicular line = -1/2 .

-- slope of one line = -3/5. . . . slope of a perpendicular line = 5/3 .

-- slope of one line = 100 . . . . slope of a perpendicular line = -0.01 .

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