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5 votes
What is the slope of a line perpendicular to the line whose equation is 9x-3y=81.

User SamMonk
by
5.3k points

1 Answer

7 votes

Answer:

If a line has slope =m

then the slope of a line perpendicular to it is

(

1

m

)

Rewrite

5

x

+

3

y

=

8

in a slope-offset format

y

=

5

3

x

+

8

3

So the given equation has a slope of

(

5

3

)

and a line perpendicular to it has a slope of

(

3

5

)

Explanation:

User Grdaneault
by
5.6k points