What are the important points needed to graph $y = -x^2 + 4$ ?

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Answer 1 · 2017-12-03T20:35:19

I would suggest:
the y-intercept at $(0,4)$
and
the
x-intercepts at $(-2,0)$ and $(+2,0)$

Three points should be sufficient to establish a quadratic curve.

What are the important points needed to graph y = -x^2 + 4y = -x^2 + 4?