Homework Help: Algebra

Posted by Jon on Saturday, February 16, 2008 at 12:01pm.

Write an equation of the line that passes through (9,6) and is perpendicular to the line whose equation is y = -1/3x +7

y-y1=m(x-x1)
y-6=3(x-9)
y-6=3x-27
y=3x-21

Algebra - bobpursley, Saturday, February 16, 2008 at 12:05pm
Which equation has a slope of 3, and contains the cited point? I will be happy to critique your thinking.
Algebra - Jon, Saturday, February 16, 2008 at 12:16pm
that WAS my work. those 4 lines

my choices are:
A)y=-1/3x+9
B)y=-3x+33
C)y=3x-21
D)y=1/3x+3
Algebra - drwls, Saturday, February 16, 2008 at 4:15pm
You got it right. Thanks for showing you work!
Nice job

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