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If the slope of a line is m then the slope of an altitude to that line is -1/m.
Parallel lines have the same slope. So if you know the slope of a line in question, or you can calculate it, then you know the slope of any line parallel to that line.
The slope of both lines will be the same.
the slope of a line = the Change in Y divided by the Change in X
you look at the line and see if there are any direct points on the line the slope formula
Why do we need to find the slope of a line? The slope of a line tells us how something changes over time. If we find the slope we can find the rate of change over that period.Why do we need to find the slope of a line?The slope of a line tells us how something changes over time. If we find the slope we can find the rate of change over that period. - See more at: http://www.algebra-class.com/rate-of-change.html#sthash.KmE8ACMR.dpuf
you look at the line and see if there are any direct points on the line the slope formula
Line a is parallel to line b, m, and . Find .
To find the slope of a perpendicular line, take the negative reciprocal of the slope of the given line. (Flip the top and bottom of the fraction and change the sign.) The slope of 3 can be written as 3/1. The slope of a line that is perpendicular is -1/3.
this is false Apex!
The equation for the slope of a line is y=mx+b
An equation of a line requires two parameters. The slope, by itself, is not enough.