SOLUTION: A line on a coordinate grid passes through the points (-1,-3) and (4,5). What is the slope of a line perpendicular to this line? Write the answer as a fraction in lowest terms

Question 876061: A line on a coordinate grid passes through the points (-1,-3) and (4,5). What is the slope of a line perpendicular to this line? Write the answer as a fraction in lowest terms
Answer by reviewermath(1029) (Show Source): You can put this solution on YOUR website!
Q:
A line on a coordinate grid passes through the points (-1,-3) and (4,5). What is the slope of a line perpendicular to this line? Write the answer as a fraction in lowest terms
A:
The slope of the line joining (-1, -3) and (4, 5) is
=
The slope of the perpendicular line is equal to the negative reciprocal of
So the answer is .
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