Posted by Anonymous please help! :) on Friday, February 8, 2013 at 12:08am.
The distance, d, in feet that an object falls in t seconds is modeled by the formula d=16t(2) if you dive from a height of 128 feet, how long will it take to hit the water? (answer may be in simplified radical form).

College Algebra  Steve, Friday, February 8, 2013 at 11:16am
just solve
16t^2 = 128
t^2 = 8
t = √8 = 2√2