contestada

The slope of line l is 3/4 . Line m is perpendicular to line l.

What is the slope of line m?
A.
4 over 3
B.
-3 over 4

C.
- 4 over 3

D.
3 over 4

Respuesta :

[tex]\bf \stackrel{\textit{perpendicular lines have \underline{negative reciprocal} slopes}} {\stackrel{slope}{\cfrac{3}{4}}\qquad \qquad \qquad \stackrel{reciprocal}{\cfrac{4}{3}}\qquad \stackrel{negative~reciprocal}{-\cfrac{4}{3}}}[/tex]

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