What is the focus of the parabola

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I've seen so many wrong answers and I got it wrong on my quiz

(-4,1)

(-4,1)

Step-by-step explanation:

The given parabola is

When we rewrite in vertex form, we get;

Or

When we compare to:

We have 4p=-4

This means p=-1

But the vertex is at:

(-4,2)

Since it is a vertical parabola that opens down, the focus is one unit(|p|=1) below the vertex.

Hence the focus is (-4,1)

c. 4 and 1/2 pounds is the answer! : )

a net is a diagram that shows a “flattened” view of a solid. in a net, each face and base is shown with all of its dimensions. a net can also serve as a pattern to build a three-dimensional solid.

a pyramid is a three-dimensional object with a base that is a polygon and triangular faces that meet at one vertex.

" the net of a triangular pyramid consists of four triangles. the base here we are given of the pyramid is a equilateral   triangle, and the lateral faces are also triangles "