SOLUTION: find the slope of a line that is parallel to and slope that is perpendicular to the following line: y=-3x Thanks Caroline

Question 6004: find the slope of a line that is parallel to and slope that is perpendicular to the following line: y=-3x
Thanks Caroline
Answer by rapaljer(4671) (Show Source): You can put this solution on YOUR website!
In the equation of a line in the form y=mx+b, the coefficient of x is the slope of the line. The slope of this line is therefore the coefficient of x, which is -3. A line parallel to this line is going in the same direction, so it also has a slope of m= -3.

A line that is perpendicular to a given line has a slope that is the NEGATIVE RECIPROCAL of the slope of the given line. Therefore, the slope of a line perpendicular to must have a slope that is the opposite sign AND the reciprocal of m = -3, which is .

R^2 at SCC
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