Homework Help: Geometry HELP

Posted by Ariel on Tuesday, June 8, 2010 at 11:25pm.

A line has a slope m=1/3 and it passes through the point (3, 4). Find the equation for the line in slope-intercept form.
a.)y = 1/3x + 3
b.)y - 4 = 1/3(x - 3)
c.)y - 3 = 1/3(x - 4)

Geometry HELP - Ariel, Tuesday, June 8, 2010 at 11:34pm
I figured out the answer by using the slope intercept formula:
y-y1=m(x-x1)
y - 4 = 1/3(x - 3)
Geometry HELP - Reiny, Wednesday, June 9, 2010 at 6:41am
the slope intercept form has the appearance of
y = mx+b
so you will have to continue with your correct starting equation

y - 4 = 1/3(x - 3)
y - 4 = (1/3)x - 1
y = (1/3)x - 1 + 4
y = (1/3)x + 3 , which is choice a)
Geometry HELP - Ariel, Wednesday, June 9, 2010 at 11:36am
Thanks:)

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