Solving Functions Word Problems

Quiz
•
Mathematics
•
9th Grade
•
Hard
Anthony Clark
Used 1+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
You are cliff diving with some friends. Your path to the water is modeled by h(t) = -16t2 + 8t +24. How long will it take for you to hit the water? What are you solving for?
roots
axis of symmetry
y-value of the vertex
y-intercept
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A ball is thrown into the air. Its height in feet after t seconds is given by the function h(t) = –5t2 + 20t. How high will the ball be after 3 seconds?
20 ft
15 ft
5 ft
10 ft
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If a toy rocket is launched from the ground and its height h after t seconds is given by the function h(t) = -8t2 +64t.
When will the object reach its maximum height?
128 ft
0 seconds
0 ft
4 seconds
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If you jump off a cliff and your path is modeled by the function,
h(t) = -16t2 + 8t + 24, where t is time in seconds, how long would it take you to reach the water?
.25 sec
1 sec
1.5 sec
2 sec
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Your younger sibling is standing on his deck, which is 4 feet off the ground. They toss their toy up into the air. The toy's height, h, from the ground at t seconds after they threw it is modeled by the function h(t) = -2t2 + 7t + 4. How long does it take the toy to hit the ground?
.5 sec
2 sec
4 sec
8 sec
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A model rocket is launched from the ground and it's path is modeled by the function h(t) = -16t2 + 96t. What are you solving for?
x-intercept
y -intercept
vertex
axis of symmetry
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A dolphin jumps from the water. The function h(t) = -16t2 + 80t models the dolphin's height at any given time, t. What is the maximum height the dolphin jumps? What are you solving for?
solutions
y-intercept
axis of symmetry
y-value of the vertex
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