Graphing is a great way to understand special types of straight lines. This is especially true for parallel and perpendicular lines. Let’s break it down:

• Parallel Lines: When I draw two lines that never meet, I know their slopes are the same. This means they have the same number for $m$ in the equation $y = mx + b$. Seeing this on a graph helps me remember that these lines will never touch each other.

• Perpendicular Lines: Now, when I graph perpendicular lines, I notice something cool. The slopes of these lines multiply together to make $-1$. For example, if one line has a slope of $m$, the other line will have a slope of $-\frac{1}{m}$. It’s really neat to see how this works on a graph!

In short, graphing makes it super simple to understand and remember these special kinds of lines!