AnswersGA-8th Grade MathematicsUnit Test

Unit Test — Unit test Answers

48 verified answers1 views
21
Free Preview

What is the slope of the line represented by the points in the table?

Question illustration
A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
22
Free Preview

On the way to the mall Miguel rides his skateboard to get to the bus stop. He then waits a few minutes for the bus to come, then rides the bus to the mall. He gets off the bus when it stops at the mall and walks across the parking lot to the closest entrance. Which graph correctly models his travel time and distance?

A
A graph has time on the x-axis and distance on the y-axis. The graph increases, increases rapidly, is constant, increases, and then decreases to a distance of 0.
Option A
B
A graph has time on the x-axis and distance on the y-axis. The graph increases, increases rapidly, is constant, increases, and then is constant.
Option B
C
A graph has time on the x-axis and distance on the y-axis. The graph increases, is constant, increases, is constant, and then increases slightly.
Option C
D
A graph has time on the x-axis and distance on the y-axis. The graph increases, is constant, increases rapidly, increases, and then increases slowly.
Option D
23

Which statement correctly describes the slope of the linear function that is represented by the data in the table?xy8–88–4808488

A
The slope is positive.
B
The slope is negative.
C
The slope is zero.
D
There is no slope.
24

Line k is parallel to line l. Which angle is congruent to ?

Question illustration
A
Angle 1
Option A
B
Angle 2
Option B
C
Angle 5
Option C
D
Angle 6
Option D
25

Based on the equation 6x + 2y = 30, what is the missing value in the table? xy?0

A
3
B
5
C
15
D
30
26

The Bui family consists of 2 adults and 3 children. They spent $36 for zoo tickets. The equation 2x + 3y = 36 describes the cost for x adult tickets and y child tickets. Part of the equation is graphed below. What is the y-intercept?

Question illustration
A
(0, 12)
B
(0, 18)
C
(12, 0)
D
(18, 0)
27

A graph that has a finite or limited number of data points is

A
a discrete graph.
B
a qualitative graph.
C
a continuous graph.
D
a cosmograph.
28

Eric earns a weekly salary and a commission on each item that he sells. The equation y = 10x + 50 represents the amount of money that Eric earns weekly. Bailey earns a greater weekly salary than Eric but the same commission rate. Which graph could represent the amount of money that Bailey earns weekly, y, based on the number of items sold, x?

A
A graph titled Bailey's Weekly Earnings has items sold on the x-axis and total earned on the y-axis. A line goes through points (0, 75), (5, 125), (10, 175).
Option A
B
A graph titled Bailey's Weekly Earnings has items sold on the x-axis and total earned on the y-axis. A line goes through points (0, 50), (1, 75), (2, 100).
Option B
C
A graph titled Bailey's Weekly Earnings has items sold on the x-axis and total earned on the y-axis. A line goes through points (0, 75), (1, 100), (2, 125).
Option C
D
A graph titled Bailey's Weekly Earnings has items sold on the x-axis and total earned on the y-axis. A line goes through points (0, 50), (5, 100), (10, 150).
Option D
29

What is the x-intercept of the graph that is shown below?

Question illustration
A
(–3, 4)
B
(0, 2)
C
(2, 0)
D
(3, 0)
30

Lorena calculated the slope of the linear function that is represented by the table of values as shown.xy–1015–827–639–451–263What did she do wrong?

Question illustration
A
She used the wrong formula for slope.
B
She used the wrong points to determine the slope.
C
She made a mistake when she subtracted from .
Option C
D
She made a mistake when she subtracted from .
Option D
31

The estimated total cost, y, of a child’s toy is partially based on the number of batteries used, x. The cost of one battery is $0.75. The toy itself costs $12. Which equation represents the situation?

A
y = 12x + 0.75
B
y = 0.75x + 12
C
y = 12x – 0.75
D
y = 0.75x – 12
32

Miguel used the graph below to convert temperatures in degrees Fahrenheit (F) to Celsius (C).The graph shows that as F increases, C ________.

Question illustration
A
decreases
B
increases
C
is constant
D
increases then decreases
33

How does the graph change from point G to point K?

Question illustration
A
The graph increases.
B
The graph decreases, then increases.
C
The graph remains constant.
D
The graph increases, then decreases.
34

There are 16 tablespoons in one cup. Which table correctly relates the number of cups to the number of tablespoons?

A
A 2-column table with 4 rows. Column 1 is labeled cups with entries 1, 2, 4, 8. Column 2 is labeled tablespoons with entries 16, 32, 64, 128.
Option A
B
A 2-column table with 4 rows. Column 1 is labeled cups with entries 16, 32, 64, 128. Column 2 is labeled tablespoons with entries 1, 2, 4, 8.
Option B
C
A 2-column table with 4 rows. Column 1 is labeled cups with entries 32, 48, 80, 144. Column 2 is labeled tablespoons with entries 16, 32, 64, 128.
Option C
D
A 2-column table with 4 rows. Column 1 is labeled cups with entries 16, 32, 64, 128. Column 2 is labeled tablespoons with entries 32, 48, 80, 144.
Option D
35

At a carnival, single rides cost $2 each, and all day ride passes cost $15. The total revenue for the day was $2,960. Which equation can be used to represent x, the number of single ride passes sold and y, the number of all day ride passes sold?

A
2x + 15y = 2,960
B
12x + 5y = 2,960
C
15x + 2y = 2,960
D
17x + 15y = 2,960
36

In the drawing below, is parallel to . Triangle ABC is similar to triangle DEC.Which statement about the sides is true?

Question illustration
A
corresponds to .
Option A
B
corresponds to .
Option B
C
corresponds to .
Option C
D
corresponds to .
Option D
37

A line passes through the point (–7, 5) and has a slope of . Which is another point that the line passes through?

Question illustration
A
(–13, 9)
B
(–9, 13)
C
(9, 13)
D
(13, 9)
38

Which table represents the graph below?

Question illustration
A
A 2-column table with 6 rows. Column 1 is labeled x with entries 0, 1, 2, 3, 4, 5. Column 2 is labeled y = 2 x minus 3 with entries negative 3, negative 1, 1, 3, 5, 7.
Option A
B
A 2-column table with 6 rows. Column 1 is labeled x with entries 0, 1, 2, 3, 4, 5. Column 2 is labeled y = 2 x minus 3 with entries negative 3, 1, negative 1, 3, 5, 7.
Option B
C
A 2-column table with 6 rows. Column 1 is labeled x with entries 0, 1, 2, 3, 4, 5. Column 2 is labeled y = 2 x minus 3 with entries negative 3, negative 1, 0, 3, 5, 7.
Option C
D
A 2-column table with 6 rows. Column 1 is labeled x with entries negative 3, negative 1, 1, 3, 4, 7. Column 2 is labeled y = 2 x minus 3 with entries 0, 1, 2, 3, 4, 5.
Option D
39

Look at the graph. Cost of Toy CarsWhat is the cost of 18 toy cars?

Question illustration
A
$12
B
$20
C
$22
D
$27
40

The height of a hot air balloon is tracked as it makes its trip from launch to the landing site. Look at the graph to determine what is happening at each labeled segment of the graph.Which label corresponds to the segment showing the balloon descending but not landing?

Question illustration
A
A
B
B
C
C
D
D

Did you find these answers helpful?

More from this Course

Quiz
61 verified answers

Unit Test

Quiz
43 verified answers

Unit Test

Assignment
15 verified answers

Introduction to Functions