Jordanloveskoalas Jordanloveskoalas

23-06-2018
Mathematics

contestada

The slope of line XY is 1/8, and XY ⊥ AB
What is the slope of AB

-8
-1/8
1/8
8

Respuesta :

jdoe0001 jdoe0001

23-06-2018

[tex]\bf \stackrel{\textit{perpendicular lines have \underline{negative reciprocal} slopes}} {\stackrel{slope}{\cfrac{1}{8}}\qquad \qquad \qquad \stackrel{reciprocal}{\cfrac{8}{1}}\qquad \stackrel{negative~reciprocal}{-\cfrac{8}{1}}\implies -8}[/tex]

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