## Find the slope of a line perpendicular to the line ax + by = c.

Question

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## Answers ( No )

The slope would be perpendicular to the second line

ax + by = c

by = -ax + c

y = (-a/b)x + c/b……the slope here is -a/b. A perpendicular line will have a negative reciprocal slope. To find the negative reciprocal, we flip the slope and change the sign. So we have a slope of -a/b…..flip it and it becomes -b/a….change the sign and it becomes b/a…..so ur perpendicular line will have a slope of b/a <==