Question

Line G has a slope of 5/4. Line H is perpendicular to line G, what is the slope of line g.

Answer 1

-4/5

Explanation:

To find the slope perpendicular to another slope, take the negative reciprocal. All you need to do is switch the numbers and change the sign.

ex.
2/3 becomes -3/2
-4/7 becomes 7/4