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Absolute value graphs and graph shifts

Absolute value graphs and graph shifts

From the course: Test Prep: GRE

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Absolute value graphs and graph shifts

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- So two final concepts I'll talk about for coordinate geometry. Absolute value graphs and graph shifts. So let's just think about what would we do if we had to graph something like this. F of x equals the absolute value of x. So remember the absolute value of x is the distance from zero. So if we plotted some points and we wanted to figure out what they were, let's see if x is one, then the absolute value of x would also be one, right? So if x is one, then the y value is one. But if x is negative one, the absolute value of negative one is one as well. So if I put in negative one for x, then I get positive one again. If I put in zero for x, the absolute value of zero is zero so there's a point there. As you can see if I put in two for x, the absolute value of two is two so I would have two two as a point. If I put in negative two for x, the absolute value of negative two is also two. So our graph ends up being a V. We sketched it, it looks something like that. So absolute value…

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