3 years ago

Multiply and simplify if possible

Mathematics

1 answer:

Natalka [10]3 years ago

6 0

Answer:

Step-by-step explanation:

i think its correct

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On top of a hill, a rocket is launched from a distance 80 feet above a lake. The rocket will fall into the lake after its engine

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The maximum height is 144 feet.

The maximum height is the y-coordinate of the vertex. To find the vertex, we first use x = -b/2a. For our information, that is x=-64/2(-16) = -64/-32 = 2.

Now we substitute this into the equation:
y = -16(2²) + 64(2) + 80 = -64 + 128 + 80 = 144

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