Algebra
posted by Paris
write the equation of the line in slopeintercept form given the slope and the coordinates of the yintercept
m = 3/7;(0, 8/3)
find an equation of the line described below. write the equation in slopeintercept form (solved for y) when possible.
through (6, 4) and (4, 6)
find an equation of the line described below. write the equation in slopeintercept form (solved for y) when possible.
With undefined slope, through (1/4, 5)

Reiny
1. you are given the slope and the yintercept.
You are asked to write the equation in slope intercept form
You know that form is y = mx + b
so just replace m and b
2. first find the slope:
slope = (64)/(46) = 2/2 = 1
so you must have:
y = x + b
sub in the point (4,6) , or (6,4) if you feel like it
with (4,6)
6 = (4) + b
b = 10
your equation is y = x + 10
3. All vertical lines have equation x = ???
look at your given point, the x value is 1/4
so your equation is y = 1/4 
Steve
#3: x = 1/4
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