Graph the parabola. y = x^2 - 4 Plot five points on the parabola: the vertex, two points to the left of the vertex, and two points to the right of the vertex. Then click on the graph-a-function button.
Added by Talisha B.
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Step 1
The vertex form of a parabola is y = a(x-h)^2 + k, where (h,k) is the vertex. In this case, the equation is already in vertex form with h = 0 and k = -4. So, the vertex is (0,-4). Show more…
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