An object is launched vertically upward from a 25 foot platform and is modeled by the function s(t)=−16t2+11t+25 After how many seconds will the object fall back to the ground? (Hint: Does not factor, use different method to solve)

An object is launched vertically upward from a 25 foot platform and is modeled by the function s(t)=−16t2+11t+25 After how many seconds will the object fall back to the ground? (Hint: Does not factor, use different method to solve)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter9: Quadratic Functions And Equations

Section9.5: Solving Quadratic Equations By Completing The Square

Problem 27PPS

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Question

An object is launched vertically upward from a 25 foot platform and is modeled by the function s(t)=−16t2+11t+25

After how many seconds will the object fall back to the ground?

(Hint: Does not factor, use different method to solve)

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