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Armstrong Quadratics Checkpoint #1
By Earl F Armstrong
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Last updated over 3 years ago
18 questions
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Question 1
1.
Which statement best explains the meaning of the y-intercept for this function?
The apple takes 8 seconds to reach the ground
The apple reaches a maximum height of 8 feet
The apple is originally 8 feet above the ground
The apple reaches its maximum height after 8 seconds
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3
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Question 6
6.
What is the maximum height, in feet, reached by the ball?
Enter a number only.
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2
Question 7
7.
After how many seconds did the ball hit the ground?
Enter a number only.
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12
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Question 15
15.
Enter this equation into desmos.
What is the equation for the axis of symmetry?
2
2
3
Question 2
2.
The baseball is 12 feet off the ground at its heighest point.
True
False
Question 3
3.
The baseball lands more than 4 feet away from where it was hit.
True
False
Question 4
4.
When the ball is at a horizontal distance of 1 foot, it is rising up in the air.
True
False
Question 5
5.
When the ball is at a horizontal distance of 4 feet, it is rising up in the air.
True
False
Question 8
8.
The marble was thrown from a height of 2 feet above the ocean.
True
False
Question 9
9.
The marble was thrown from a height of 6 feet above the ocean.
True
False
Question 10
10.
The marble began to descend after 2 seconds.
True
False
Question 11
11.
The marble began to descend after 4 seconds.
True
False
Question 12
12.
What are the zeros of the function?
Remember that the following all mean the same thing
: zeros, x - intercepts, solutions, and roots.
x = 1, x = 5
x = -4, x = -3
x = -5, x = -1
x = 3, x = 4
Question 13
13.
At what point does the MAXIMUM occur on the graph?
(0, 3)
(1, 4)
(-1, 0)
(3, 0)
Question 14
14.
Which of the following shows the graph of the equation
A
B
C
D
Question 16
16.
Enter this equation into desmos.
Does the graph have a minimum or maximum?
Minimum
Maximum
Neither
Question 17
17.
Does the the graph of the equation below open up or down?
Concave up
Concave down
Neither because there is a fraction.
Question 18
18.
What is the vertex of the equation below?
(-3, -2)
(-3, 2)
(3, 2)
(3, -2)
