A model rocket is shot into the air and its path is approximated by h=-5t^2+30t, where h is the height of the rocket above the ground in metres and t is the elapsed time in seconds.
a) when will the rocket hit the ground?
b) what is the maximum height of the rocket?
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- on Mon Nov 19, 2012 2:10 am
- Forum: Intermediate Algebra
- Topic: solving quadratic equations
- Replies: 1
- Views: 550
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