Asked by meg

are the following lines parallel, perpendicular or neither 4x+5y=7 5x+4y=10

Answers

Answered by Henry
m1 = -A/B = -4/5.
m2 = -A/B = -5/4.

They are not parallel, because the slopes are not =.

They are not perpendicular, because the slopes are not neg. reciprocals.
m2 would have to be +5/4.
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