If a toy rocket is launched from the ground and its height h after t seconds is given by the function h(t) = -8t2 +64t.
When will the object reach its maximum height?
Quadratic Functions Real World Problems
Quiz
•
Mathematics
•
9th Grade
•
Hard
Anthony Clark
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If a toy rocket is launched from the ground and its height h after t seconds is given by the function h(t) = -8t2 +64t.
When will the object reach its maximum height?
128 ft
0 seconds
0 ft
4 seconds
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If you jump off a cliff and your path is modeled by the function,
h(t) = -16t2 + 8t + 24, where t is time in seconds, how long would it take you to reach the water?
.25 sec
1 sec
1.5 sec
2 sec
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A soccer ball is kicked from the ground and its path is modeled by the function h(t)= -t2 + 5t, where t is time in seconds. What is the maximum height of the ball?
5 ft
6.25 ft
18.75 ft
2.5 ft
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Your younger sibling is standing on his deck, which is 4 feet off the ground. They toss their toy up into the air. The toy's height, h, from the ground at t seconds after they threw it is modeled by the function h(t) = -2t2 + 7t + 4. How long does it take the toy to hit the ground?
.5 sec
2 sec
4 sec
8 sec
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The height of a water balloon that is launched into the air is given by h(t) = -5t2 + 20t + 25. When will the balloon explode on the ground?
5 seconds
1 second
2 seconds
3 seconds
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The profit from selling local ballet tickets depends on the ticket price. Using past receipts, we find that the profit can be modeled by the function where p is the profit and x is the number of tickets sold:
p= -15x2 + 600x + 60
What is the maximum profit you can make from selling tickets?
$6060
$20
$600
$10,250
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The height of a water balloon that is launched into the air is given by h(t) = -5t2 + 40t + 2. From what height was the balloon released?
2 meters
5 meters
40 meters
20 meters
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