Question

The equation of line m is 4x+5y=−2. What is the slope of a line that is perpendicular to line m?

Answer 1

convert to slope / intercept form:-

4x + 5y = -2
5y = - 4x - 2
y = -4/5 x - 2/5

the slope of this line is -4/5  and slope of line perpendicular to it is - 1 / -4/5

= 5/4 answer

Answer 2

Answer:

5/4

Step-by-step explanation:

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