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10-11-2014
Mathematics

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which equation represents a line that has a slope of 3/4 and passes through the point (2,1)?

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AndyBryer AndyBryer

10-11-2014

The general equation of a line is:
[tex] \frac{y- y_{1}}{x- x_{1}} =m[/tex]
When m is the gradient and x1 and y1 are the coordinates of the points on the line
Therefore:
[tex] \frac{y-1}{x-2}=3/4 [/tex]
[tex]4y-4=3x-6[/tex]
[tex]4y=3x-2[/tex]

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