The height of a cannonball, h, in meters, over time, t, in seconds, as it is shot off a platform can be modelled by the equation ℎ = −4(t + 2)(t − 8). h=100m t=3sec How long did it take the cannonball to reach the ground?

The height of a cannonball, h, in meters, over time, t, in seconds, as it is shot off a platform can be modelled by the equation ℎ = −4(t + 2)(t − 8). h=100m t=3sec How long did it take the cannonball to reach the ground?

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter2: Equations And Inequalities

Section: Chapter Questions

Problem 6T

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Question

The height of a cannonball, h, in meters, over time, t, in seconds, as it is shot off a platform can be modelled
by the equation ℎ = −4(t + 2)(t − 8).

h=100m

t=3sec

How long did it take the cannonball to reach the ground?

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