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A line passes through the points (-3,5) and (6,1) . The equation of this line can be written in the form 

Ax + By = C, where A, B, and C are integers with greatest common divisor 1, and A is positive. Find A+B+C.

 Mar 16, 2020
 #1
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Slope = (1 - 5)/(6 -(-3)) = -4/9

point-slope form: y - 5 = -4/9(x + 3)

==> 9y - 45 = -4(x + 3) = -4x - 12

==> 4x + 9y = 33.

 

A + B + C = 4 + 9 + 33 = 46

 Mar 16, 2020
 #2
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Wait thats incorrect!

 Mar 16, 2020
 #3
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the slope is incorrect... think you can figure out the correct slope and work off of guest's answer?

CalculatorUser  Mar 23, 2020

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