If a football player passes a football from 4 feet off the ground with an initial velocity of 36 feet per second, how long will it take the football to hit the ground? Use the equation h = -16t2 + 36t + 4.

Question

zyi6 · Answer

Do you have any idea on how to start this?

anonymous · Answer

no

zyi6 · Answer

okay, well, we will have to pull out the equation they give us:

h(t) = -16t^2 + 36t + 4

zyi6 · Answer

You do understand how to factor by grouping, yes?

anonymous · Answer

i don't understand what you mean. its for quadratic

zyi6 · Answer

Yes, But you do not understand what factoring a trinomial by grouping is?

anonymous · Answer

nope

zyi6 · Answer

you should have known that going into a problem like this. I do not have the time to teach you how to solve quadradics all over again.

anonymous · Answer

would you do the abc method?

anonymous · Answer

4(4t^2+9t+1) like this ?

anonymous · Answer

@zyi6