40.3k views
4 votes
To the nearest foot, what is the height of the fireworks when they explode?

To the nearest foot, what is the height of the fireworks when they explode?-example-1
User Carver
by
7.5k points

1 Answer

1 vote

Answer:

87 feet

1. You can find the value of the vertex of the parabola as following:

2. Substitute values:

a=-16

b=70

Then:

3. Substitute the value obtained into the equation given in the problem. Therefore, you obtain the following result:

4. To the nearest foot:

h=87 feet

Explanation:

#hopeithelps

stay safe and keep well

mark me as brain liest pls

User Upscale
by
7.7k points