danie1a danie1a

16-09-2019
Mathematics

contestada

are the graphs of x-4y=2 and 4x+y=8 perpendicular?

Respuesta :

surjithayer10otahza surjithayer10otahza

16-09-2019

Answer:

Step-by-step explanation:

x-4y=2

4y=x-2

y=1/4 x-1/2

slope=1/4

4x+y=8

y=-4x+8

its slope=-4

product of slopes=1/4×(-4)=-1

so lines are perpendicular.

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