If you begin with the basic equation of a vertical parabola: y-k=a(x-h)^2, where (h,k) is the vertex, then that equation, when the vertex is (-3,-2), is

y + 2 = a (x + 3)^2. If we solve this for y, we get

y = a(x+3)^2 - 2. Thus, eliminate answers A and D. That leaves B, since B correctly shows (x+3)^2.

8 0

3 years ago

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The ratio of fiction to nonfiction books in the library is 4:5. If there are 900 books in a collection, how many are fiction?

jekas [21]

There will be excactly 400 fiction books. The ratio of fiction to all is 4 to 9, or 4 to 900.

4 0

2 years ago

As shown in the figure , a metal cube of side 6 cm is melted and recast into a triangular prism . Find the height of the triangu

vivado [14]

Answer:

I believe it is 6.