Let's look at the line going through the points
|
|
The simplest way to look
|
|
To get from the point (-2, -1) to the point (4, 3), you rise up 4... and run 6. The slope is
|
|
(Notice that the slope goes uphill and 
is a positive number)
For 
, you can "rise" up or down... but, you ALWAYS "run" to the
right. ALWAYS!
