3 years ago

Katrina said that the lines y=-2/3x + 5 and y = -3/2x + 2 are perpendicular. Explain Katrina's error.

Mathematics

2 answers:

Elis [28]3 years ago

8 0

There shouldn't be a negative in front of one of the equations.

Vika [28.1K]3 years ago

7 0

Answer:

product of gradients of the two lines = 1 does not imply the lines being perpendicular, the product of gradients have to instead be equal to -1.

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