SOLUTION: Write the standard form of the equation of the line through the pair of points (7,-6) and (2,1). Write the equation using only integer coefficients.

Algebra ->  Graphs -> SOLUTION: Write the standard form of the equation of the line through the pair of points (7,-6) and (2,1). Write the equation using only integer coefficients.      Log On


   



Question 476273: Write the standard form of the equation of the line through the pair of points (7,-6) and (2,1). Write the equation using only integer coefficients.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Use determinants.
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|x y 1|
|7-6 1| = 0
|2 1 1|
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x(-6-1) - y(7-2) + (7+12) = 0
-7x - 5y = -19
7x + 5y = 19