Question

Draw the graph of y= -x​

Answer 1

Step-by-step explanation:

To find the point where two graphs intersect, you have to substitute so that you don’t have a multivariable equation. Because y=x, you can substitute x in for y in your other equation. Then, you have x=-x. There is only one x-value that satisfies that equation, and that x-value is 0. Now, you can substitute 0 in for x in one of your equation to find the y-value of that coordinate. You would get y=0 either way. Therefore, the point at which the graphs y=x and y=-x intersect at (0,0). As for graphing them, that part’s easy. The graph looks something like this:

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