SOLUTION: How can you tell if an equation is perpendicular to another or parallel or neither? I have a test tomorrow and i have no idea how to do this. Thanks ahead! :)

Question 925431: How can you tell if an equation is perpendicular to another or parallel or neither? I have a test tomorrow and i have no idea how to do this. Thanks ahead! :)
Answer by rothauserc(4718) (Show Source): You can put this solution on YOUR website!
I assume you are talking about lines, standard form of a line is
y = mx +b, where m is the slope and b is the y intercept
if m is the same for 2 lines, then they are parallel
if m for one line is the negative reciprocal of the other, then they are perpendicular to each other

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