A fireworks company has two types of rockets called Zinger 1 and Zinger 2. The polynomial -16t^2 + 150t 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?
A. 414 ft

B. 990 ft

C. 90 ft

D. 324 ft

Question

A fireworks company has two types of rockets called Zinger 1 and Zinger 2. The polynomial -16t^2 + 150t  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? 
 A. 414 ft  
 
 B. 990 ft  
 
 C. 90 ft  
 
 D. 324 ft

anonymous · Answer

difference in height= -16*t^2+165*t-(-16*t^2+150*t)

-16*t^2+16*t^2+165*t-150*t

15*t

t=6

90 feet

anonymous · Answer

alternatively, just apply t=6 for each equation and subtract the result, the answers will be the same, C

anonymous · Answer

thank you and thank you for the work

anonymous · Answer

any questions on what i did or does it make sense?

anonymous · Answer

i makes sense i just left out one part