Algebra
posted by Jon .
Write an equation of the line that passes through (9,6) and is perpendicular to the line whose equation is y = 1/3x +7
yy1=m(xx1)
y6=3(x9)
y6=3x27
y=3x21

Which equation has a slope of 3, and contains the cited point? I will be happy to critique your thinking.

that WAS my work. those 4 lines
my choices are:
A)y=1/3x+9
B)y=3x+33
C)y=3x21
D)y=1/3x+3 
You got it right. Thanks for showing you work!
Nice job
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