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Question 596572: how do you know if two lines intersect if you have only the equations? For example, if you have  and  , how do you find out how they relate to each other?
Thank you!
Found 2 solutions by Alan3354, stanbon:
Answer by Alan3354(69443)   (Show Source):
You can put this solution on YOUR website! how do you know if two lines intersect if you have only the equations? For example, if you have and , how do you find out how they relate to each other?
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The 1st eqn is 2x the 2nd --> it's the same line.
Answer by stanbon(75887)  (Show Source):
You can put this solution on YOUR website! how do you know if two lines intersect if you have only the equations? For example, if you have and , how do you find out how they relate to each other?
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For example, if you have and , how do you find out how they relate to each other?
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Put the equations in slope-intercept form:
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p = (-1/4)q + (3/2)
p = (-1/4)q + (3/2)
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The 2 lines are the same.
Cheers,
Stan H.
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