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Unit 8 Intervention Practice Test
By Marissa Considine
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Last updated over 2 years ago
20 questions
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Question 1
1.
Which is a quadratic function?
f(x)=x^2 + 6
f(x)=2x
f(x)=x+5
Question 2
2.
What is the axis of symmetry of the parabola graphed below?
y=-4
x=4
x=2
Question 3
3.
What are the
zeros
of the graph shown?
Select ALL that apply.
(1,9)
(-2,0)
(4,0)
(0,8)
Question 4
4.
f(x)=x^2 and g(x)=x^2+4 Which statement is true?
g(x) is f(x) translated up 4 units.
g(x) is f(x) translated right 4 units.
g(x) is f(x) translated down 4 units.
Question 5
5.
What is the
domain
for the graph below?
All real numbers
Question 6
6.
What is the
range
for the graph below?
All real numbers
Question 7
7.
Which point is on the parabola with equation
(3,0)
(1,3)
(0,3)
Question 8
8.
What is the vertex of the graph of
(2,-1)
(-5,-1)
(5,1)
Question 9
9.
Which is the function y=x(x-2) in standard form?
Question 10
10.
f(x)=x^2 and g(x)=(x-1)^2
Which statement is true?
g(x) is f(x) translated right 1 unit.
g(x) is f(x) translated down 1 unit.
g(x) is f(x) translated left 1 unit.
Question 11
11.
Which is the axis of symmetry of the graph of
x=-2
x=4
x=2
Question 12
12.
Write the
equation
of the graph in
vertex form
:
Question 13
13.
Write a quadratic equation in
vertex form
for the table:
Question 14
14.
The quadratic equation of a parabola is given in vertex form as:
Change this equation into
Standard Form
.
Question 15
15.
Determine which functions have a
MAXIMUM
value and which have a
MINIMUM
value.
Functions with a MAXIMUM VALUE
Functions with a MINIMUM VALUE
Use this information to answer #16-18.
The graph shows the height of a golf ball in meters when it is hit. The height is modeled by
where x is the time in seconds.
Question 16
16.
Use the graph to answer:
How long is the ball in the air?
Question 17
17.
Use the graph to answer:
After how many
seconds
will the ball reach its
max
height?
Question 18
18.
Use the equation
y=-5x^2
+50x
to find the maximum height of the ball.
Question 19
19.
Graph:
And type the
vertex
in the response box.
visibility
View drawing
Question 20
20.
Graph:
And type the
vertex
in the response box.
visibility
View drawing