You can put this solution on YOUR website!
In order to find the slope, it is simplest to put this line equation into form.
If we rearrange this line to be in the form "", it will be easy to read off the slope .
you are given:
...means you have the vertical lines
Now consider the vertical line
Is the vertical line going on one end? Well, kind of.
Is the vertical line going } on the other end? Well, kind of.
Is there any number that is positive and negative? .
conclusion: vertical lines have .
In particular, the concept of slope simply does work for lines. The slope ! "the slope is "
All vertical lines are in the form .
