Sunday

March 1, 2015

March 1, 2015

Posted by **jennifer** on Tuesday, September 30, 2008 at 10:02am.

divide both sides by -16

0 = -16t^2 + 128t

0 = t^2 - 8t

0 = t(t-8t)

0 = t

0 = t-8

add 8 to both sides

8 = t

the rocket will hit the ground in 8 seconds.

can you tell me if I'm correct?

- MATH -
**Qun**, Tuesday, September 30, 2008 at 10:44amYes, it is right.

**Answer this Question**

**Related Questions**

Math - Two kids are building a rocket for science class. once the rocket is ...

Physics - A test rocket is launched vertically from ground level (y=0m), at time...

math - Please explain to work this: A rocket is launched from atop a 105-foot ...

physics - A stationary rocket is launched vertically upward. After 4s, the ...

physics - A test rocket is launched vertically from ground level (y = 0 m), at ...

Algebra: Quadratic Functions - A model rocket is launched with an initial ...

Math - A rocket is launched upward and then falls to the ground. The height of ...

Algebra - A toy rocket that is shot in the air with an upward velocity of 48 ...

Calculus - A pomegranate is thrown from ground level straight up into the air at...

math - A projectile is launched vertically upward from the top of a 240-foot ...