SOLUTION: Horizontal line through (-2,-1) in standard form?

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Question 1063367: Horizontal line through (-2,-1) in standard form?
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
horizontal line has 0 slope so y=-1. You just take the y value given in the ordered pair.
when y=-1, standard form of Ax+By=C becomes
y=-1. There is no x, and the coefficient of y is 1.