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. (:
1 answer:
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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