WorksheetsKey Features in Context
Total questions: 20
Worksheet time: 34mins
The equation h(t)=−16t2+96t+20 represents the height of a ball launched off a platform. Interpret the y-intercept, x-intercept and vertex. (Match)
y-intercept
The ball is launched from 20 feet
x-intercept
The ball hits the ground in 6.2 seconds.
vertex
Reaches a max of 164 feet in 3 seconds.
When did the water reach its maximum height?
Choose the best answer.
2 seconds
9 seconds
0 seconds
3.8 seconds
A baseball is hit into the air. The height of the baseball, in feet, as a function of time, in seconds, is represented in the graph. In the context of the problem, what is the meaning of (5, 246)?
The maximum height is 246 feet.
After 246 seconds, the baseball is 5 feet in the air.
After 5 seconds, the baseball is 246 feet in the air.
The baseball hits the ground at 5 seconds.
What key feature tells the initial height of the roller coaster?
y-intercept
root
axis of symmetry
vertex
This graph shows the height of a soccer ball in feet over time in seconds. Which statement is true?
The soccer ball hits the ground again at 6 seconds.
The soccer ball reaches a minimum point at 3 seconds.
The soccer ball starts at a height of 4 feet.
The soccer ball stays on the ground the whole time.
What was the maximum height of the ball?
3 feet
6 feet
4 feet
5 feet
When did the ball reach its maximum height? Choose the key feature and the answer.
y-intercept, 3 secs
x-value of the vertex, 4 secs
y-value of the vertex, 5 secs
y-intercept, 0 secs
What was the maximum height of the ball? Choose the key feature and the answer choice.
y-intercept, 3 feet
y-intercept, 0 feet
x-value of the vertex, 4 feet
y-value of the vertex, 5 feet
Approximately how long did it take the water from the fountain to hit the surface of the pool? Pay attention to the y-axis scale.
about 1.85 seconds
about 2.85 seconds
about 3.85 seconds
about 4.85 seconds
How many times has it been played at 3 ½ weeks?
(a)
At what week does the song reach its maximum number of times played?
(a)
What was the height of the ball at 1 second?
3 feet
4 feet
5 feet
A baseball is hit into the air. The height of the baseball, in feet, as a function of time, in seconds, is represented in the graph. How many seconds did it take the ball to reach maximum height?
2 seconds
4 seconds
5 seconds
8 seconds
A cannon ball was shot out of a cannon and the path of the cannon ball is represented by the equation y=−16x2+96x+70 . Match which point you would use to answer the question.
Maximum Height (a)
Starting Height (b)
How long until the ball hit the ground (c)
