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1-17 Practice
By Patrick Silvey
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Last updated about 3 years ago
11 questions
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Question 1
1.
Write an expression to define function
f
in vertex form.
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1
1
5
6
7
8
9
10
11
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Question 6
6.
How far above the ground was the ball when kicked?
1
1
1
1
1
Question 2
2.
Which of the following correctly compares the graph of y = x
2
- 5 to y = x
2
?
A. It's moved right 5.
B. It opens down instead of up.
Question 3
3.
Question 4
4.
Which equation represents the graph of y = x
2
+ 2x - 3 moved 3 units to the left?
A. y = x
2
+ 2x - 6
B. y = (x + 3)
2
+ 2x - 3
C. y = (x + 3)
2
+ 2(x + 3)
D. y = (x + 3)
2
+ 2(x + 3) - 3
Question 5
5.
Question 7
7.
What was the initial upward velocity of the ball?
Question 8
8.
Why is the coefficient of the squared term negative?
Question 9
9.
What is the vertex of of the function f defined by
f
(
x
) = -(
x
- 3)
2
+ 6?
Question 10
10.
What is the coordinate for the y-intercept of the function
f
(
x
) = -(
x
- 3)
2
+ 6?
Question 11
11.
Using the y-intercept, what is one other coordinate of the graph?
C. It's moved up 5.
D. It's moved down 5.
E. It's vertically stretched by 5.
Select
all
options below that correctly compare the graph of y = (x+2)
2
- 8 to y = x
2
?
A. It's moved right 2.
B. It opens down instead of up.
C. It's moved down 8.
D. It's moved left 2.
E. It's vertically stretched by 8.
F. It's moved up 8.
G. It's moved up 2.
Select all the equations with a graph whose vertex has both a positive x- and a positive y-coordinate.
A. y = x
2
B. y = (x - 1)
2
C. y = (x - 3)
2
+ 2
D. y = 2(x - 4)
2
- 5
E. y = 0.5(x + 2)
2
+ 6
F. y = -(x - 4)
2
+ 3
G. y = -2(x - 3)
2
+ 1
