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1-14 Practice
By Patrick Silvey
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Last updated almost 3 years ago
21 questions
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Question 10
10.
Use the graph provided. Select
ALL
of the statements taht describe this situation.
A. The vertex of the graph is (0.75, 29)
B. The y-intercept of the graph is (2.1, 0)
C. Clare just dropped the rock into the lake.
D. The maximum height of the rock is about 20 feet.
E. The rock hits the surface of the water after about 2.1 seconds.
F. Clare tossed the rock up into the air from a point 20 feet above the water.
Question 11
11.
Fill in the blanks to write an expression that would correctly place the vertex at (5, -7):
(x - _______ )
2
+ _______
Question 12
12.
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
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15
16
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21
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Question 1
1.
Which equation can be represented by a graph with a vertex at (1, 3)?
A. y = (x - 1)
2
+ 3
B. y = (x + 1)
2
+ 3
C. y = (x - 3)
2
+ 1
D. y = (x + 3)
2
+ 1
Question 2
2.
Will the graph of
have a minimum or a maximum?
Question 3
3.
Where is the vertex of the graph that represents y = (x - 2)
2
- 8?
Question 4
4.
What is the coordinate of the y-intercept of y = (x - 2)
2
- 8?
Question 5
5.
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) - 3
D. y = (x + 3)
2
+ 2(x + 3) - 3
Question 6
6.
Match each graph to an equation that represents it.
Draggable item
arrow_right_alt
Corresponding Item
C
arrow_right_alt
A
arrow_right_alt
B
arrow_right_alt
D
arrow_right_alt
Question 7
7.
How far above the ground was the ball when kicked?
Question 8
8.
What was the initial upward velocity of the ball?
Question 9
9.
Why is the coefficient of the squared term negative?
Question 13
13.
What is the maximum height of Object A?
Question 14
14.
What is the maximum height of Object B?
Question 15
15.
Approximately when does Object A hit the ground? (Round to the nearest tenth.)
Question 16
16.
Approximately when does Object B hit the ground? (Round to the nearest tenth.)
Question 17
17.
What is the coordinate of the vertex of the graph of y = (x + 2)
2
- 3.
Question 18
18.
Where is the vertex of the graph of
f
(
x
) = -(x - 3)
2
+ 6?
Question 19
19.
What is the coordinate of the y-intercept of the graph of
f
(
x
) = -(x - 3)
2
+ 6?
Question 20
20.
What is the coordinate of the point that is the mirror image of the y-intercept of
f
(
x
) = -(x - 3)
2
+ 6?
Question 21
21.
Sketch a graph of the equation
f
(
x
) = -(x - 3)
2
+ 6.
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