A model rocket is shot straight up from the roof of a school. The height at any time t is approximated by the model h=-t^2+3t+28,where h is the height in meters and t is the time in seconds when does the rocket hit the ground?
in Algebra 1 Answers by

Your answer

Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.
Anti-spam verification:
To avoid this verification in future, please log in or register.

2 Answers

when the rocket hits the ground h=0






t=7seconds ( t=-4 is to be omitted........ _ve value)

by Level 7 User (29.3k points)
h(t) = t2 – 3t + 1. Evaluate h(6)

Related questions

1 answer
asked Nov 2, 2015 in Other Math Topics by anonymous | 171 views
1 answer
asked Aug 18, 2014 in Algebra 2 Answers by Jennifer A. Cascaño Level 12 User (101k points) | 226 views
3 answers
asked Feb 7, 2014 in Algebra 1 Answers by anonymous | 373 views
1 answer
0 answers
Welcome to MathHomeworkAnswers.org, where students, teachers and math enthusiasts can ask and answer any math question. Get help and answers to any math problem including algebra, trigonometry, geometry, calculus, trigonometry, fractions, solving expression, simplifying expressions and more. Get answers to math questions. Help is always 100% free!
86,327 questions
92,381 answers
23,935 users