molly1778 molly1778

01-11-2018
Mathematics

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which pair of points lie on the line x+3y=21

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siggy11 siggy11

01-11-2018

set to y=mx+b form.
[tex]y = - \frac{1}{3} x + 7[/tex]
7 is a y intercept so (0,7) will be a point, and using the slope you can get another point, (1,4)

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