
Quadratic word prob quiz
Quiz
•
Mathematics
•
9th Grade
•
Hard
Standards-aligned
Dalton Beaver
FREE Resource
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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 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. What is the height of the cliff?
1.094 ft
174.141 ft
155 ft
4.393 ft
None of the above
2.
MULTIPLE CHOICE QUESTION
30 sec • 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
3.
MULTIPLE CHOICE QUESTION
30 sec • 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. What is the maximum height the rock reaches ?
1.094 ft
174.141 ft
155 ft
4.393 ft
None of the above
4.
MULTIPLE CHOICE QUESTION
30 sec • 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. How long does it take the rock to reach its maximum height?
1.094 seconds
174.141 seconds
155 seconds
4.393 seconds
None of the above
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A diver is standing on a platform above the pool. He jumps from the platform with an initial upward velocity of 8 ft/s. Use the formula h (t) = −16 t2 + 8t + 24, where h is his height,in feet, above the water, t is the time, in seconds . How high is the platform?
.25 ft
24 ft
25 ft
8 ft
None of the above
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The function h(t) = -16t2+60t + 130 models the approximate height of an object t seconds after it is launched. How many seconds does it take the object to hit the ground?
4.2 seconds
4.9 seconds
5.3 seconds
5.8 seconds
6.1 seconds
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A dolphin jumps from the water at at initial velocity of 16 feet per second. The equation h = -8t2 + 16t models the dolphin's height at any given time, t. What is the maximum height the dolphin jumps?
1 foot
5 feet
7 feet
8 feet
12 feet
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