Register
WORTH 20. HELP ASAP. An object is launched from a platform. It’s height (in meters), x seconds after the launch, is modeled by h(x)=-5(x+1)(x-9) how many seconds after the launch will the object hit the
44.2k views
4 votes
WORTH 20. HELP ASAP.

An object is launched from a platform. It’s height (in meters), x seconds after the launch, is modeled by h(x)=-5(x+1)(x-9) how many seconds after the launch will the object hit the ground.
WORTH 20 POINTS. NEED HELP ASAP

User Pratik Sodha
by
8.0k points

1 Answer

7 votes
Plug it into a graphing calculator and see where the function crosses the x-axis. Since it’s a quadratic it will cross it two times but one of the answers is negative—obviously it wouldn’t take negative second to hit the ground. It should take 9 seconds for the object to hit the ground.
WORTH 20. HELP ASAP. An object is launched from a platform. It’s height (in meters-example-1
User Volma
by
8.6k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
Link Copied!