Question

If the slope of a line 4/9 the slope of a line perpendicular to this would be

Answer 1

Answer:Use the slope-intercept form to find the slope.

m=4

The equation of a perpendicular line to

y

=

4

x

−

9

must have a slope that is the negative reciprocal of the original slope.

m

perpendicular

=

-1/4

Explanation:

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