
Applications of Quadratics
Authored by Alexis Saunders
Mathematics
9th - 10th Grade
CCSS covered
Used 39+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
#9) A raft is dropped from a helicopter 256 feet in the air above the ocean. Its approximate height, h, after t seconds is given by the function h(t) = -16t2 + 256. How many seconds did it take the raft to hit the water?
Tags
CCSS.HSA.REI.B.4
CCSS.HSA.APR.B.3
CCSS.HSA.CED.A.1
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Ed hits a shot off the tee that has a height modeled by the function f(t) = -16t2 + 112t. How long is the ball in the air?
Tags
CCSS.HSA.REI.B.4
CCSS.HSA.CED.A.1
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Ed hits a shot off the tee that has a height modeled by the function f(t) = -16t2 + 112t. What is the height of the ball after 1 second?
Tags
CCSS.HSA.SSE.A.1
CCSS.HSF.IF.C.7
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
At what time would you reach 16 ft above the water if you jump of a cliff using the formula:
h = -16t2 + 8t + 24?
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Alain throws a stone off a bridge into a river below. The stone's height (in meters above the water), x seconds after Alain threw it, is modeled by:
h(x)= -5x2 + 10x + 15
How many seconds after being thrown will the stone hit the water?
Tags
CCSS.HSA.REI.B.4
CCSS.HSA.APR.B.3
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The number of mosquitoes in Anchorage, Alaska (in millions of mosquitoes) as a function of rainfall (in centimeters) is modeled by:
m(x)= -x2 + 14x
How many centimeters of rain will produce the maximum number of mosquitoes?
Tags
CCSS.HSA.REI.B.4
CCSS.HSA.SSE.A.1
CCSS.HSA.REI.D.10
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Alain throws a stone off a bridge into a river below. The stone's height (in meters above the water), x seconds after Alain threw it, is modeled by:
h(x)= -5x2 + 10x + 15
How long does it take the stone to reach its highest point?
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