SOLUTION: Find an equation of a line passing through the points (8,10) and (15,8) Please help I've tried to solve it and I can't find the right answer.

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Question 793860: Find an equation of a line passing through the points (8,10) and (15,8)
Please help I've tried to solve it and I can't find the right answer.

Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
Find an equation of a line passing through the points (8,10) and (15,8)
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Form: y = mx + b
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Find "m" and "b"::
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m = (8-10)/(15-8) = -2/7
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Substitute for y,x, and m::: solve for "b":
10 = (-2/7)8 + b
(70/7) = (-16/7) + b
b = 86/7
-----------------
Equation:
y = (-2/7)x + 86/7
====================
Cheers,
Stan H.

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