
2.1 Quiz
Authored by Kim Urban
Mathematics
10th Grade
Used 39+ times

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17 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Find the y-intercept of the function y = -3(x+2)2 - 5
(0,-5)
(2,-5)
(-2,-5)
(0,-17)
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What is the initial (starting) height of an object following this path: h(t) = -16t2 + 20t + 6
20 feet
6 feet
0 feet
-16 feet
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
When I want to find the maximum and minimum of an object, I should _______________.
Set the equation = 0 and solve.
Substitute x = 0 in the equation.
Find the y coordinate of the vertex.
Use x = (-b/2a) as my answer.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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 for the raft to hit the water.
-4
4
2
8
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
If a path of projectile is modeled by: h(t) = -16t2 +20t + 6, what is the height after 1 second?
20 feet
10 feet
6 feet
4 feet
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What is the increasing interval from the function shown:
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A juggler is tossing a ball into the air. The height of the ball in feet can be modelled by the equation: y = -16x2 + 16x + 5, where y represents the height of the ball at x seconds. What is the maximum height of the ball?
5 feet
9 feet
0 feet
.5 feet
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