It's also equal to 1. Now, we've seen examples of solving this before. When the situation where this-- the inside of our absolute value sign-- is negative, in that situation this equation is going to be y is equal to the negative of x plus 3.

So it would look something like this. Either x minus 5 is equal to positive Let's say we have the absolute value of 4x-- I'm going to change this problem up a little bit. So we have the graph of-- we have a positive slope.

You could try those numbers out for yourself. But then when x is less than negative 3, we're essentially taking the negative of the function, if you want to view it that way, and so we have this negative slope.

When y is equal to 0, x is negative 3.

When x is greater than negative 3, this is positive. That's just like multiplying it by negative 1.

So you have the scenario where x plus I'll write it over here-- x plus 3 is greater than 0. But we just care about the absolute margin. A lathe is this carpentry tool that spins things around, and so it can be used to make things that are, I guess you could say, almost cylindrical in shape, like a leg for a table or something like that.

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Intro to absolute value equations and graphs (video)