gabrielarraujo gabrielarraujo

19-07-2016
Mathematics

Answered

which equation represents a line that is perpendicular to the line y= 1/4x - 1

A) Y=-1/4x - 3
B) Y= 1/4X + 1
C) Y= 4X-5
D) Y= -4X - 2

Verified Answer :

texaschic101 texaschic101

19-07-2016

y = 1/4x - 1....the slope here is 1/4....but for a perpendicular line we need a negative reciprocal slope...all that means is " flip " the slope and change the sign. 1/4....flip it....4/1.....change the sign....-4/1 or just -4. So our perpendicular line will have a slope of -4. The only one in ur answer choices with a slope of -4 is D.....so ur answer has to be D.

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