Hi, I'm Rob. Welcome to Math Antics. In this lesson, we're going to learn something that's an important foundation for tons of math problems, including those you'll encounter while learning basic algebra. We're going to learn about graphing, which basically means taking mathematical relationships and turning them into pictures. Hey friends, welcome back to the Joy of Graphing. We're going to pick up right where we left off. We already have this nice, beautiful function right here, but it needs a friend. And we're gonna do that by adding some points. So let's put the next point right here. Now all we need to do is connect those points 'cause they're all friends. And what do friends do? They stay connected. Oh, and look at that, that's beautiful. Well, not the kind of picture that you'd hang on your wall. Graphing just means making a visual representation of an equation or data set so you can understand it better. It's a way of helping you literally see how math works. When math is just a bunch of numbers and symbols on a page, it can be pretty abstract and hard to relate to. But graphing is like a window into the abstract world of math that helps us see it more clearly. In fact, the focus of our lesson today actually looks a bit like a window, and it's called the coordinate plane. The coordinate plane is the platform or stage that our graphing will take place on. But to understand how it works, we first need to start with its closest relative, the number line. You remember how a number line works, right? A number line starts at and represents positive numbers as you move to the right and negative numbers as you move to the left. And there are usually...