Line a is parallel to line b, m, and . Find .
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Well parallel lines have the same slopes....if you find the slope of a parallel that it the slope of the other line.....usaully you put this slope into Point-Slope Formula (y-1)= m(x-1) + 1 to find the answer as of Y=
2. Parallel lines have the same slope.
the slope is infinite because you have a vertical line. To find a parallel line, the formula would be "x= any number" because that would also give you a vertical line.
It is also zero as parallel lines have the same slope
A vertical line has an undefined slope. For the line to be parallel to a vertical line, the slopes would have to be the same. Therefore, the line parallel to a vertical line also has an undefined slope.