Find the equation of a line perpendicular to another line

Question

Mathematics

Shirley Mcintyre

26 February, 22:28

Find the equation of a line perpendicular to another line

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Cierra Middleton · Answer 1

You'll need to present the "other line" so that you have a reference.

If you start with y = mx + b, the slope of a line perpendicular to this line is - 1/m.

Then the equation of the new line is y = (-1/m) x + c, where c is the y-intercept of the new line.