
Quad Fomula and Applications
Authored by Thomas Fechter
Mathematics
7th - 10th Grade
CCSS covered
Used 9+ times

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25 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
The height of an object thrown into the air can be modeled by the formula , where h is in feet after t seconds.
What is the height of the object after 5 seconds?
95 feet
45 feet
70 feet
171.56 feet
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The height of an object thrown into the air can be modeled by the formula
, where h is in feet after t seconds. How long did it take for the object to hit the ground?
3.45 seconds
-1.09 seconds
6.9 seconds
5.46 seconds
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A ball is thrown into the air with an upward velocity of 64 ft/s. Its height, h, after t seconds is given by the function above. What height is the ball after 3 seconds?
880 feet
1008 feet
3 feet
1104 feet
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Find the vertex of
f(x) = -x2 - 4x + 12.
Tags
CCSS.HSA.REI.B.4
CCSS.HSF.IF.B.4
CCSS.HSF.IF.C.7
5.
MULTIPLE CHOICE QUESTION
5 mins • 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?
Tags
CCSS.HSA.REI.B.4
CCSS.HSA.CED.A.1
CCSS.HSA.SSE.A.1
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
5) A boys rides a kids' roller coaster and the equation
f(x) = -x2 +16x represents the ride on the roller coaster, when x = time in seconds and f(x) = height in feet. Which information below is correct?
The boy reaches a maximum height of 48 feet at 4 seconds
At 5 seconds the boys is 50 feet in the air
The boy reaches a maximum height of 64 feet at 8 seconds
At 11 seconds the boy will be at 128 feet high
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
10) What is the lowest point the graph
y = 3x2-24x + 11 will reach?
(1,-10)
(3,-34)
(6,-40)
(4,-37)
Tags
CCSS.HSF-IF.C.7A
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