Interpret Quadratic Function Word Problems
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
Anthony Clark
FREE Resource
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20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The height of a water balloon that is launched into the air is given by h(t) = -5x2+20x+25. When will the balloon explode on the ground?
5 seconds
1 second
2 seconds
3 seconds
2.
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
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If a toy rocket is launched vertically upward from ground level with an initial velocity of 128 feet per second, then its height h after t seconds is given by the equation
h(t) = -16t2 +128t
When will the object reach its maximum height?
4 ft
0 seconds
0 ft
4 seconds
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Rafael drops a ball from a third-story window. This equation represents the approximate height, h, in meters, of the ball above the ground after it falls for t seconds.
h = -5t2 + 45
When is the ball at ground level?
only at t = 0 seconds
only at t = 3 seconds
only at t = 9 seconds
at both t = 0 seconds and t = 3 seconds
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A kid launches a rock off of a cliff. The height of the rock after t seconds can be modeled by the graph shown. When does the rock hit the ground?
1.094 seconds
174.141 seconds
155 seconds
4.393 seconds
None of the above
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If each mark on the x-axis represents one second, when did the object reach the ground?
2.5 seconds
6 seconds
5.5 seconds
5 seconds
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A ball is thrown into the air with an upward velocity of 100 ft/s. Its height, h, after t seconds is given by the function
h = -16t2 + 64t + 960.
How many seconds did it take for the ball to reach its maximum height?
10 seconds
64 seconds
960 seconds
2 seconds
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