What must be true about the slopes of two perpendicular lines, neither of which is vertical?

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Mathematics, 07.06.2017 07:00 Sashakimora2020

# What must be true about the slopes of two perpendicular lines, neither of which is vertical?

select one:

a. the slopes have product -1.

b. one of the slopes must be 0.

c. the slopes have product 1.

d. the slopes are equal.

Answers: 3

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