Quadratic Applications Warmup

Quiz
•
Mathematics
•
9th Grade
•
Hard
Standards-aligned
Anthony Clark
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which one are we looking for?
Jaiden wanted to know the initial height of a baseball when it was hit at home plate.
x at vertex
y at vertex
positive zero
y-intercept
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If path of a projectile is modeled by:
h(t) = -16t2 + 20t +6, what is the height after 1 second?
6 feet
20 feet
10 feet
4 feet
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
4 seconds
-2 seconds
-2 and 4 seconds
Tags
CCSS.HSA-REI.B.4B
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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?
2 ft
80 ft
144 ft
64 ft
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A lizard is jumping across the water in search of food. The equation h = -12t2 + 6t models the lizard's height in feet above the water t seconds after he jumps. How long after jumping is he back on the water?
0.1 seconds
0.25 seconds
0.50 seconds
0.75 seconds
1 second
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The function f(t) = -5t2+20t + 60 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 seconds
-2 seconds
6 seconds
9 seconds
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If a toy rocket is launched vertically upward from ground level with an initial velocity of 128 feet per second, then its height h after t seconds is given by the equation
h(t) = -16t2 +128t
When will the object reach its maximum height?
4 ft
0 seconds
0 ft
4 seconds
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