SOLUTION: Determine whether the lines are parallel, perpindicular, or neither. y = x+7 y = -x+2

Algebra ->  Graphs -> SOLUTION: Determine whether the lines are parallel, perpindicular, or neither. y = x+7 y = -x+2      Log On


   

Question 319548: Determine whether the lines are parallel, perpindicular, or neither.
y = x+7
y = -x+2
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Determine whether the lines are parallel, perpindicular, or neither.
y = x+7
y = -x+2
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The first has a slope of 1.
The second has a slope of -1.
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The slopes are different so the lines are not parallel.
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The product of the slopes = -1 so the lines are perpendicular.
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Cheers,
Stan H.