mathdue tonight please help
posted by Michelle on .
find the equation of the line
1.(2,8) and (5,6)
2.(1,1) and (2,2)
3. 6/7, (1,8)
4.9, (9,1)

you don't specify what form you want it, so I will do it the general way, which will leave you without fractions.
I will do the first one, do the others the same way
slope = (6+8)/(5+2) = 2/3
y+8 = (2/3(x+2)
3y + 24 = 2x  4
2x + 3y + 28 = 0
or
y = (2/3)x  28/3 after rearranging the equation 
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