SOLUTION: find an equation of th line that contains the given pair of points (13,21) (1,9)
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Question 233237: find an equation of th line that contains the given pair of points (13,21) (1,9)
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
find an equation of th line that contains the given pair of points (13,21) (1,9)
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There's only one equation.
1st, find the slope, m
m = diffy/diffx = 12/12
m = 1
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Use y = mx+b with either point to find b
9 = 1*1 + b
b = 8
--> y = x + 8
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