A fireworks company has two types of rockets called Zinger 1 and Zinger 2. The polynomial gives the height in feet of Zinger 1 at t seconds after launch. The polynomial: -16t2 + 165t gives the height of Zinger 2 at t seconds after launch. If the rockets are launched at the same time and both explode 6 seconds after launch, how much higher is Zinger 2 than Zinger 1 when they explode?

Question

A fireworks company has two types of rockets called Zinger 1 and Zinger 2. The polynomial  gives the height in feet of Zinger 1 at t seconds after launch. The polynomial: -16t2 + 165t gives the height of Zinger 2 at t seconds after launch. If the rockets are launched at the same time and both explode 6 seconds after launch, how much higher is Zinger 2 than Zinger 1 when they explode?

anonymous · Answer

Zinger 1 is missing a polynomial expression..

anonymous · Answer

But all you have to do is plug 6s into both equations and simplify, then subtract the results to get the difference in heights.

anonymous · Answer

zinger 1 polynomial expression is -16t^2 +150t, i plugged in 6s in both equations, simplified... I got 894 for zinger 2, and 324 for zinger 1...

anonymous · Answer

A. 414 ft	

B. 990 ft	

C. 90 ft	

D. 324 ft

anonymous · Answer

these are the answers..... What am i doing wrong??

anonymous · Answer

hmmm, doublecheck the height of Zinger 2.

anonymous · Answer

Looks like you didn't square the 6 in the -16(6)^2 term..

anonymous · Answer

414-324.... the answer is 90.... right

anonymous · Answer

Now you got it!

anonymous · Answer

thanks...

anonymous · Answer

y.w.