AnswersOnline Learning and Digital CitizenshipUnit Test

Unit Test — Unit test Answers

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1
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Consider the quadratic function that has x-intercepts of –1 and –7 and passes through the point (–2, –20). What is the value of a in the factored form of this function?

A
1
B
2
C
3
D
4
2
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The quadratic function that models the scenario is f(t) = t2 + t.

A
1
B
4
C
12
D
16
3

After seconds, the ball attains its maximum height of feet.

A
1
B
2
C
12
D
16
4

After seconds, the ball attains its maximum height of feet.

A
1
B
2
C
12
D
16
5

Mohammed’s parents learn that his classmates have begun sending him text messages making fun of his heritage. Mohammed says he’s fine because they are just teasing him.

A
The classmates are using secure computers.
B
The classmates are using technology positively.
C
Mohammed doesn’t have any evidence of the cyberbullying.
D
Mohammed doesn’t believe the cyberbullying exists.
6

What is the best reason a student should cite an online source for a school report?

A
It demonstrates the credibility of the online source.
B
It shows the student wants to get a good grade.
C
It shows the student was interested in the topic.
D
It demonstrates the length of time it took to write the report.
7

Katarina is deciding whether to buy a desktop or a laptop computer. What will most likely help Katarina make her decision?

A
Laptops have touch screens, while desktops require a keyboard.
B
Laptops use simple software, while desktops are more complex.
C
Laptops are portable devices, while desktops remain in one place.
D
Laptops have more memory, while desktops have limited disk space.
8

Which person is most likely to use digital blueprints as part of a work project?

A
a movie director
B
a doctor
C
an engineer
D
an artist
9

David was working on his computer when an error message appeared onscreen. He decided to call a support line to seek help.

A
the code from the error message
B
the name of his favorite mp3 file
C
the date the computer was bought
D
the make of his friend’s computer, for reference
10

Nina is 12 years old. She has just changed her password and wants to make sure she has it in case of emergency.With whom should she share her password?

A
her best friend
B
her classmate
C
her mother
D
her little brother
11

Ignoring netiquette can negatively impact a digital team by

A
leading students to quit a project.
B
ensuring that a project is never completed.
C
creating conflict that affects a project.
D
causing disputes that can never be resolved.
12

Which is an example of a student practicing ethical behavior online?

A
Zohar abides by his school’s Internet policy and does not visit questionable websites.
B
Polina uses a segment from a magazine article in a report without seeking permission.
C
Maxim receives mean text messages from a classmate and decides to retaliate.
D
Yuna creates a fake website and posts rude comments about her classmates.
13

Which statement is an example of an opinion from an online source?

A
Maya Angelou wrote I Know Why the Caged Bird Sings.
B
Oprah Winfrey has called Maya Angelou her mentor.
C
Maya Angelou is one of the greatest American poets.
D
One speaker at the 1993 presidential inauguration was Maya Angelou.
14

What does CPU stand for?

A
computer processing unit
B
central programming unit
C
central processing unit
D
computer programming unit
15

When should students practice netiquette in an online course? Check all that apply.

A
when sending texts to friends
B
when sending e-mails to classmates
C
when collaborating in library study groups
D
when participating in online discussion boards
E
when collaborating as part of a digital team
16

The quadratic function that models the scenario is f(t) = t2 + t.

A
–12
B
–4
C
4
D
12
17

A company produces remote-controlled helicopters. The company’s profit, in thousands of dollars, as a function of the number of helicopters produced per week can be modeled by a quadratic function. When 1 helicopter is produced per week, the company’s profit is 4 thousand dollars. The maximum profit, 22 thousand dollars, occurs when 4 helicopters are produced per week. If h is the number of helicopters produced per week, which function models the scenario?

A
f(h) = –4(h – 1)2 + 4
B
f(h) = –2(h – 4)2 + 22
C
f(h) = (h – 4)2 + 22
D
f(h) = (h – 1)2 + 4
18

1923196319832003

A
1923
B
1963
C
1983
D
2003
19

Lian’s dad uses an interactive machine that allows him to do things through voice commands. Lian is fascinated by this and wants to study to be a scientist who makes similar products.

A
Introduction to Robotics
B
Computer Programming 101
C
Computer Animation
D
Introduction to Telehealth
20

Which best explains why a digital leader would join a society specializing in technology?

A
to fulfill continuing-education requirements
B
to learn how to teach technology to students
C
to learn how to lead an online group in a project
D
to keep up with the latest in online tools

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