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MissTica
3 years ago
11

The equation of line AB is y = 1 over3x - 1. write a equation of a line perpendicular line AB in slope-intercept form that conta

ins point (4, -2).
PLEASE HELP ASAP THANK YOU!!!

And I need to also know HOW you got the answer. Thanks so much. (:
Mathematics
1 answer:
k0ka [10]3 years ago
4 0
Y =1/3x - 1 so slope = 1/3
if <span>perpendicular, slope = -3

passing thru (4,-2) then
y = mx +b
-2=-3(-2) + b
-2=6+b
-2-6 = b 
so b = -8

equation:
y = -3x - 8</span>
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2 years ago
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4 0
3 years ago
Read 2 more answers
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3 years ago
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Find in Step by Step

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Step  2  :

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Step  3  :

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5 0
3 years ago
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