SOLUTION: write an equation of a line in standard form: Ax+By=C Given: points(3,2) and (4,9)

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Question 470713: write an equation of a line in standard form:
Ax+By=C
Given:
points(3,2) and (4,9)
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
write an equation of a line in standard form:
Ax+By=C
Given:
points(3,2) and (4,9)
--------------
|x y 1|
|3 2 1| = 0
|4 9 1|
----------
x*(2-9) - y*(3-4) + (27-8) = 0
-7x + y + 19 = 0
7x - y = 19