NASA launches a rocket at t=0 seconds. Its height, in meters above sea-level, as a function of time is given by h(t)=−4.9t^2+82t+199 Assuming that the rocket will splash down into the ocean, at what time does splashdown occur? The rocket splashes down after    seconds. How high above sea-level does the rocket get at its peak? The rocket peaks at    meters above sea-level.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter9: Quadratic Functions And Equations
Section9.6: Solving Quadratic Equations By Using The Quadratic Formula
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NASA launches a rocket at t=0 seconds. Its height, in meters above sea-level, as a function of time is given by h(t)=−4.9t^2+82t+199
Assuming that the rocket will splash down into the ocean, at what time does splashdown occur?

The rocket splashes down after    seconds.

How high above sea-level does the rocket get at its peak?

The rocket peaks at    meters above sea-level.

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