SOLUTION: Determine what condition exists between these two lines: y=x-5 and y= -x+7
A)parallel B)perpendicular C)same line D)neither
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Question 1003279: Determine what condition exists between these two lines: y=x-5 and y= -x+7
A)parallel B)perpendicular C)same line D)neither
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
One compares their respective slopes.
They aren't equal but they are negative reciprocals (1 and -1), so the answer is
B) perpendicular
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