SOLUTION: a line has equation x+2y=5. find the slope of a line that is A)parallel B)perpendicular

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Question 775691: a line has equation x+2y=5. find the slope of a line that is A)parallel B)perpendicular
Answer by Tatiana_Stebko(1539) About Me  (Show Source):
You can put this solution on YOUR website!
1) Find the slope of the given line x%2B2y=5
2y=-x%2B5 divide by 2
y=%28-1%2F2%29x%2B5%2F2
The slope is m=-1%2F2
2) The slope of the parallel line is m%5B1%5D=m
therefore m%5B1%5D=-1%2F2
3) The slope of the perpendicular line is m%5B2%5D=-1%2Fm
m%5B2%5D=-1%2F%28-1%2F2%29=2