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How to graph y=-x^2-4x

How to graph y=-x^2-4x-example-1

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Well, according to the paper, the correct function would be
y = -x^2 - 4x.

To do this, first graph the zeros, which are (-4, 0) and (0, 0). Then, plug in values like -5, -2, and 1 in for x to find out which direction the graph goes.
User Sebastian Barth
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