SOLUTION: Line m passes through the points (-4, 3) and (-4, 7). What is the slope of the line that is parallel to line m? Please show all calculations.

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Question 1100234: Line m passes through the points (-4, 3) and (-4, 7). What is the slope of the line that is parallel to line m? Please show all calculations.

Found 2 solutions by josmiceli, ikleyn:
Answer by josmiceli(19441)   (Show Source): You can put this solution on YOUR website!
Any line parallel to the given line
will have the same slope
-------------------------
slope = [ change in y ] / [ change in x ]
slope =
slope =
Any number divided by is infinity,
so the slope of this line is infinite
and any line parallel to this line has
infinite slope
Answer by ikleyn(52803)   (Show Source): You can put this solution on YOUR website!
.
Line m passes through the points (-4, 3) and (-4, 7). What is the slope of the line that is parallel to line m? Please show all calculations.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 

Since x-coordinates of the two given points are the same, the straight line passing through them is VERTICAL line parallel to y-axis.


The slope is UNDEFINED for such line.

The line parallel to that line is vertical, too,

and its slope is UNDEFINED as well.


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