Download Which function is represented by the graph below?

Algebra 1 Final Exam 15-16 Review Part 2 (short) (Demo Version)
Read each question carefully.
1)
Which function is represented by the graph below?
A)
B)
C)
D)
1
Algebra 1 Final Exam 15-16 Review Part 2 (short) (Demo Version)
2)
Which function is represented by the graph below?
A)
B)
C)
D)
2
Algebra 1 Final Exam 15-16 Review Part 2 (short) (Demo Version)
3)
Which of the following describes the relationship between the number
of songs on a CD and the number of minutes on the CD?
A)
There is no relationship between number of songs and the
number of minutes on the CD.
B)
As the number of songs increases on a CD, the number of
minutes on the CD increases.
C)
As the number of songs increases on a CD, the number of
minutes on the CD decreases.
D)
As the number of songs increases on a CD, the number of
minutes on the CD remains constant.
3
Algebra 1 Final Exam 15-16 Review Part 2 (short) (Demo Version)
4)
Which is the graph of the following function?
A)
B)
C)
D)
4
Algebra 1 Final Exam 15-16 Review Part 2 (short) (Demo Version)
5)
Which graph best represents the equation?
y=x-3
A)
Graph A
B)
Graph B
C)
Graph C
D)
Graph D
5
Algebra 1 Final Exam 15-16 Review Part 2 (short) (Demo Version)
6)
Which equation best represents the graph?
A)
B)
C)
D)
6
Algebra 1 Final Exam 15-16 Review Part 2 (short) (Demo Version)
7)
8)
Which situation is best represented by the graph?
A)
A $45,000 investment generated 1.2% interest for the last 10
years.
B)
A $15,000 investment generated 1.2% interest for the last 10
years.
C)
A $45,000 investment generated 12% interest for the last 10
years.
D)
A $15,000 investment generated 12% interest for the last 10
years.
Which of the following sentences is true about the graphs of
y = 2(x – 3)2 – 6 and y = 2(x + 3)2 + 6?
A)
The graphs have the same vertices but different shapes.
B)
Their vertices are maximums.
C)
Their vertices are minimums.
D)
One graph has a vertex that is a maximum, while the other graph
has a vertex that is a minimum.
7
Algebra 1 Final Exam 15-16 Review Part 2 (short) (Demo Version)
9)
10)
What is the domain and range of the function shown on the graph
below?
A)
Domain: {all real numbers}
Range: {y: y > -3}
B)
Domain: {all real numbers}
Range: {y: y > -4}
C)
Domain: {x: x > -3}
Range: {y: y > -4}
D)
Domain: {x: x > -4}
Range: {y: y > -3}
Which best describes how the graph will be affected when the quadratic
equation
y = 5x2 + 1 is changed to y = 3x2 + 1?
A)
The graph moves down 2.
B)
The graph becomes wider.
C)
The graph becomes narrower.
D)
The graph moves up 3.
8
Algebra 1 Final Exam 15-16 Review Part 2 (short) (Demo Version)
11)
12)
What is the domain and range of the function shown on the graph
below?
A)
Domain: all real numbers
Range: all real numbers less than 1
B)
Domain: all real numbers
Range: all real numbers less than -3
C)
Domain: all real numbers less than -3
Range: all real numbers
D)
Domain: all real numbers less than -3
Range: all real numbers less than -1
What are the slope, x-intercept, and y-intercept of the line represented
by the equation?
3y = 6x + 9
A)
slope = 6;
x-intercept: (3, 0);
B)
slope = 6;
x-intercept: (-3, 0);
C)
slope = 2;
x-intercept: (-1.5, 0);
y-intercept: (0, 3)
D)
slope = 2;
x-intercept: (-1.5, 0);
y-intercept: (0, 1.5)
9
y-intercept: (0, 3)
y-intercept: (0, 3)
Algebra 1 Final Exam 15-16 Review Part 2 (short) (Demo Version)
13)
Which of the following equations is graphed below?
A)
B)
C)
D)
14)
Does the table represent y as a function of x?
A)
Yes, because for every x-value there is only one y-value.
B)
Yes, because for every y-value there is only one x-value.
C)
No, because there are two y-values for the same x-value.
D)
No, because there are two x-values for the same y-value.
10
Algebra 1 Final Exam 15-16 Review Part 2 (short) (Demo Version)
15)
Janice started a marathon 5 minutes after the starting gun went off
and ran at a constant rate until the finish. Her split times are shown in
the table below.
Which equation represents the relationship between the number, n, of
miles Janice ran and the time, t, in minutes that it took her to run them
from the starting gun?
A)
B)
C)
D)
16)
The population of bald eagles has increased linearly from 3,000 in 1990
to 6,500 in 2000.
Which equation represents the population, p, of bald eagles t years
after 1990?
A)
p = 3,000 + 3,500t
B)
p = 3,000 + 35t
C)
p = 3,000 + 350t
D)
p = 3,500 + 300t
11
Algebra 1 Final Exam 15-16 Review Part 2 (short) (Demo Version)
17)
Which function is graphed below?
A)
B)
C)
D)
18)
Which of the following describes the relationship between the number
of miles a rental truck is driven and the cost?
A)
The cost is $32.50 for every 10 miles driven.
B)
The cost increases 5 dollars every 10 miles driven.
C)
The cost increases $25.00 for every mile driven.
D)
The cost increases $0.25 for every mile driven.
12
Algebra 1 Final Exam 15-16 Review Part 2 (short) (Demo Version)
19)
Which situation is best represented by the graph?
A)
B)
C)
D)
20)
120, 70, 45, 32.5 is a pattern derived from the following formula.
What is the value of the 5th term in the sequence?
A)
20.625
B)
21.25
C)
22.5
D)
26.25
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Algebra 1 Final Exam 15-16 Review Part 2 (short) (Demo Version)
21)
22)
Golf Club A charges $50 for a membership fee and $10 per round. Golf
Club B charges $25 for membership and $15 per round.
A)
It's less expensive to play at the first club.
B)
It's less expensive to play at the second club.
C)
If you play 5 rounds at either club, you will pay $100.
D)
If you play 6 rounds at either club, you will pay $150.
200, 105, 57.5, 33.75 is a pattern derived from the following
formula. What is the value of the 5th term in the sequence?
A)
21.875
B)
22.5
C)
22.875
D)
23.5
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Algebra 1 Final Exam 15-16 Review Part 2 (short) (Demo Version)
23)
Force is applied to a hanging spring measuring 20mm in length and the
change in the length of the original spring is recorded. The table shows
the results of this experiment.
Which equation represents the length, s, of the spring with respect to
the amount, f, of force applied?
24)
A)
s = 20 + 2f
B)
s = 20 + 3f
C)
s = 20 - 3f
D)
s = 26 - 2f
Tracy babysits her younger siblings for $8.00 for the first hour and
$4.00 for each remaining hour. She never babysits them for more
than 6 hours. Tracy wrote the following equation to calculate
the amount of money, y, she will receiver after babysitting for h hours.
y = 8 + 4(h - 1)
Which is a reasonable domain for the given situation?
A)
1<h<8
B)
8 < h < 28
C)
4<h<8
D)
1<h<6
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Algebra 1 Final Exam 15-16 Review Part 2 (short) (Demo Version)
25)
A)
down 2 and 7 to the left
B)
down 2 and 7 to the right
C)
up 2 and 7 to the left
D)
up 2 and 7 to the right
A)
down 5 and 5 to the left
B)
down 5 and 5 to the right
C)
up 5 and 5 to the left
D)
up 5 and 5 to the right
26)
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Algebra 1 Final Exam 15-16 Review Part 2 (short) (Demo Version)
27)
28)
A)
up 3 and 3 to the left
B)
down 3 and 3 to the left
C)
up 3 and 3 to the right
D)
down 3 and 3 to the right
Does the graph represent y as a function of x?
A)
Yes, because for every x-value there is only one y-value.
B)
Yes, because for every y-value there is only one x-value.
C)
No, because there are two y-values for the same x-value.
D)
No, because there are two x-values for the same y-value.
17
Algebra 1 Final Exam 15-16 Review Part 2 (short) (Demo Version)
29)
A hot-air balloon rises at a constant rate. Its vertical height, h, after a
given time, t, is shown in the table below.
Which equation represents the relationship between time and the
vertical height of the hot-air balloon?
30)
A)
h = 20t
B)
h = 20t + 6
C)
h = 20t - 10
D)
h = 40t + 6
Diane took 15 shots to practice for her basketball game the first day.
Each day she took 5 more shots than the previous day. She wrote a
formula to see how many shots she would take over the next few days
of practice. The formula is shown below.
a1 = 15, an = an-1 + 5
Which formula is equivalent to the one Diane wrote?
A)
an = 5n + 20
B)
an = 5n + 10
C)
an = 15n
D)
an = 15n - 10
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Algebra 1 Final Exam 15-16 Review Part 2 (short) (Demo Version)
31)
32)
Which equation does the graph represent?
A)
y = -x + 1
B)
y = x - 1
C)
y = -x - 1
D)
y = x + 1
What quantity should be added to both sides of this equation to
complete the square?
A)
B)
C)
D)
19
Algebra 1 Final Exam 15-16 Review Part 2 (short) (Demo Version)
33)
What are the slope, x-intercept, and y-intercept of the line represented
by the equation?
x + 2y = 5
A)
B)
C)
D)
34)
The following is the formula for finding the surface area of a sphere.
Which equation shows the formula correctly solved for r?
A)
B)
C)
D)
20
Algebra 1 Final Exam 15-16 Review Part 2 (short) (Demo Version)
35)
Which relation is a function?
A)
B)
C)
D)
36)
What is the equation of the line of symmetry for the function below?
A)
no line of symmetry
B)
x=5
C)
x = -3
D)
x=0
21
Algebra 1 Final Exam 15-16 Review Part 2 (short) (Demo Version)
37)
38)
What are the x-intercepts of the graph of the following function?
A)
(-3.5, 0) and (0, -0.5)
B)
(-5, 0) and (1, 0)
C)
(14, 0) and (0, 16)
D)
(14, 0) and (16, 0)
What is the factored form of the following expression?
A)
B)
C)
D)
22
Algebra 1 Final Exam 15-16 Review Part 2 (short) (Demo Version)
39)
The number of members in the biking club was 540 in 2000 and has
decreased by 6% each year. Which model shows the club's
membership in terms of t, the number of years since 2000?
A)
B)
C)
D)
40)
What is the factored form of the following expression?
A)
B)
C)
D)
23
Algebra 1 Final Exam 15-16 Review Part 2 (short) (Demo Version)
41)
Which of the following sentences is true about the graphs of
y = –2(x + 4)2 + 4 and y = –2(x – 4)2 – 4?
A)
Their vertices are minimums.
B)
The graphs have the same shape with different vertices.
C)
The graphs have different shapes with different vertices.
D)
One graph has a vertex that is a maximum, while the other graph
has a vertex that is a minimum.
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