SOLUTION: (reasoning) consider the equation Ax+By=C a. what must be true of the equation if its graph is a vertical line? b. what must be true of the equation if its graph is a horizontal

Question 960156: (reasoning) consider the equation Ax+By=C
a. what must be true of the equation if its graph is a vertical line?
b. what must be true of the equation if its graph is a horizontal line?
please help me! i have no clue what they want me to do. i don't know where to start. this problem makes absolutely no sense to me. Can you help me understand? (step by step)
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Horizontal lines have the form, where is a constant.
Vertical lines have the form, where is a constant.

If then,

Horizontal line
.
.
.
If then,

Vertical line
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