Posted by lucy on Tuesday, June 18, 2013 at 3:37pm.
Write an equation in the form y = mx + b for the line that has a slope of 1/2 and contains the point (12, 3).

algebra  Steve, Tuesday, June 18, 2013 at 4:08pm
since the slope is constant then for any point (x,y),
(y3)/(x12) = 1/2
y3 = 1/2 x  6
y = 1/2 x  3
Get familiar with the various ways of writing the equation of a line:
slopeintercept
pointslope
twopoint
twointercept
standard
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