The equation of line AB is (y−3) = 5 (x − 4). What is the slope of a line perpendicular to line AB?

5 or 1/5?

Question

The equation of line AB is (y−3) = 5 (x − 4). What is the slope of a line perpendicular to line AB?

  5 or 1/5?

acxbox22 · Answer

the slope of the perpendicular line would be -1/5 because slope of any perpendicular line will be the opposite reciprocal

anonymous · Answer

@acxbox22 As I see, the site's policy says not to give away answers but to help them understand the concept and figure out the answer themselves. Please abide by ithe policy.

acxbox22 · Answer

I helped him by telling him how to find out the slope of a perpendicular line for future problems--- opposite reciprocal