An object in launched directly upward at 64 feet per second (ft/s) from a platform 80 feet high. Its height is represented by the equation s(t) = –16t2 + 64t + 80. What will be the object's maximum height?
Quadratic Modeling

Quiz
•
Mathematics
•
10th Grade
•
Hard
Anthony Clark
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2 ft
80 ft
144 ft
64 ft
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A frog is sitting on the ground when he is scared by a big dog. His movement is modeled by the equation h = -6t2 + 6t where h is the frog's height at any given time, t . How many seconds until the frog is back on the ground?
0.5 seconds
1 second
1.5 seconds
2 seconds
3 seconds
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If you square 5 more than a positive number, the result is 88 more than 12 times the number. Find the numbers.
-9, 7
√75
9, -7
15, -5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A diver is standing on a platform above the pool. He jumps form the platform with an initi8al upward velocity of 8 ft/s. Use the formula h t = −16 t2 + 8t + 24, where h is his height above the water, t is the time, v is his starting upward velocity, and s is his starting height. How high is the platform?
.25 ft
24 ft
25 ft
8 ft
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A
B
C
D
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A
B
C
D
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Q33
n(t) = -0.002t2 + 0.55t + 5.02
n(t) = 0.072t2 - 0.15t + 2.73
n(t) = -0.002t2 + 5.02
n(t) = 0.072t2 + 2.73
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