AnswersFL-1200710-Mathematics for College Algebra AModeling with Quadratic Functions

Modeling with Quadratic Functions — Unit test Answers

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1
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For what purpose is a screen name used?

A
to confuse scam artists
B
to conceal one’s location
C
to protect one’s identity
D
to unlock online accounts
2
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After completing an internship at an architecture firm, Amit discovers he has a talent for computer-aided design. He wants to learn more at school and asks his favorite teacher for help.

A
enrolling Amit in a course offered at a local college
B
asking Amit to study on his own until he graduates
C
enrolling Amit in an online course offered by a local college
D
finding Amit a mentor in architecture to tutor him every month
3

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.
4

What is an example of an Internet access problem?

A
The browser is slow or won’t function.
B
The keyboard keys do not work properly.
C
The pointer for the mouse wanders around.
D
The computer crashes or runs very slowly.
5

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.
6

Read the excerpt from a student essay about an international project.The Atlantic Rising Project involved students from multiple countries who measured rising sea levels in coastal communities along the Atlantic Ocean. The students communicated with each other online. The report helped raise awareness of some problems stemming from climate change.

A
Students photographed, videotaped, and published the results online every time they measured sea levels.
B
Students used an online web-conferencing classroom to learn each other’s languages.
C
Students produced reports about each other’s countries by interviewing one another.
D
Students lobbied political leaders in each other’s country to pass climate change laws.
7

In phishing scams, a scam artist obtains the victim’s personal information by

A
collecting it on websites.
B
asking for it.
C
stealing it.
D
searching for it online.
8

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
9

unknownunfamiliarunder copyrightunder investigation

A
unknown
B
unfamiliar
C
under copyright
D
under investigation
10

Which is the best description of a computer virus?

A
a program that can damage a computer
B
a hacker who adds programs to a computer
C
a scam that steals information from a computer
D
a biological disease that destroys a computer
11

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
12

Backing up data on a computer means

A
removing it.
B
scanning it.
C
saving it externally.
D
saving it internally.
13

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.
14

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.
15

A cyberbully is someone who invades another person’s privacy by

A
posting mean-spirited messages.
B
repeatedly sending text messages.
C
visiting questionable websites.
D
stealing original work.

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Modeling with Quadratic Functions