Posted by <3 on Sunday, October 25, 2009 at 12:23pm.
write an equation of the line that is parallel to the given line and passes through the given point.
y=4x7, (5,3)
y=2/3x+4, (5,5)

maths  MathMate, Sunday, October 25, 2009 at 4:40pm
First, from a given line, the slope can be identified if the equation of the line is put into the slopeintercept form as:
y = mx + b
For example,
2x + 3y = 5 can be rearranged to
y = (2/3)x + 5/3
From which we can identify the slope as (2/3).
One the slope is defined, if the line is to pass through a given point with coordinates (x1,y1), the equation of the line sought is:
y = m(xx1) + y1
So if a line parallel to the above line is to pass through (3,2), the equation would be:
y = (2/3)(x  3) + 2, or
y = (2/3)x + 4
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