Modeling with Rational Functions — Unit test Answers

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During the summer in Tempe, Arizona, city workers provide heat relief to people experiencing homelessness. Why is heat relief important for this group of people specifically?

A
Extreme summer heat poses a danger to people without shelter.
B
People without shelter require warm clothing when they are outside.
C
People experiencing homelessness need ovens or hot plates to cook their meals.
D
People with high body temperatures need medical attention.
723

Which phrase describes a reason paraphrasing is used?

A
to make a complex idea easier to understand
B
to change the meaning of a text to support an argument
C
to eliminate incorrect information from a text
D
to highlight what an author knows about a topic
725

Expansionary spending takes place when a government makes the decision to

p
put a freeze on the number of its employees.
r
raise taxes to balance its budget.
r
raise taxes to run a budget surplus.
r
raise spending to stimulate the economy.
726

If the value of the US dollar declines in relation to other currencies, goods imported into the United States will

A
not be allowed to enter the country.
B
become less expensive.
C
remain the same in price.
D
become more expensive.
728

The speaker in "The Weary Blues" is most likely

A
an audience member at a blues show.
B
a band member for a blues singer.
C
a contemporary blues critic.
D
a historian studying blues musicians.
729

Which is a kind of federal payroll tax?

A
medicare tax
B
sales tax
C
property tax
D
progressive tax
731

A survey was taken of children between the ages of 10 and 17 about how many siblings they have and whether they have a pet. The results of the survey are shown in the table.

Question illustration
A
Out of the 125 children who do not have a pet, 18 of them have 2 siblings.
B
Out of the 97 children who have 1 pet, 40 of them do not have any siblings.
C
Out of the 125 children who do not have any siblings, 34 of them have a pet.
D
Out of the 97 children who have 1 sibling, 40 of them do not have a pet.
734

How does a chronological structure show information in a multimedia presentation?

A
It discusses challenges followed by possible solutions.
B
It presents events in the order in which they occurred.
C
It moves from one or more reasons something happened to what took place.
D
It shows ways two or more concepts are the same and ways they are different.
735

Which is a correct description of Hooke’s law?

A
The force applied to a spring equals the product of the spring constant and the displacement.
B
The force applied to a spring equals the spring constant divided by the displacement.
C
The spring constant of a spring equals the product of the force applied and the displacement.
D
The spring constant of a spring equals the displacement divided by the force applied.
737

Which image would be the best choice for convincing a middle school audience to clean up litter on a local waterway?

A
A photo of a close up of water rippling over stones in a pond.
Option A
B
A photo of 2 older boys gathering water samples on a beach.
Option B
C
A photo of 2 kids holding garbage bags and picking up litter in a forest.
Option C
D
An illustration of a clean stream surrounded by meadows, trees, and mountains.
Option D
738

Jace is making a water play table from a triangular table top. He sketched a dotted line to show where he wants to add a circular water bowl. It should go all the way to the edges of the table as shown.

Question illustration
A
He should find the midpoint of each edge of the table.
B
He should bisect each of the angles at the vertices of the triangular table top.
C
He should draw perpendicular lines through any point along the edges of the table.
D
He should draw perpendicular line segments from each corner to the opposite edge of the table.
739

most

i
irritability
w
weight loss
l
lack of sleep
c
change in hair color
w
withdrawal from friends
740

Marlene is writing a research paper on how bees play different roles in a hive. She interviews her neighbor who studies bees. Her neighbor tells her that honeybees’ brain chemistry changes as the bees assume new roles. Marlene wants to explore that topic further and decides to add a research question to her research plan.

A
What are all the roles of honeybees in a hive?
B
How are honeybees different from other bees?
C
What did scientists find out about the brain chemistry of honeybees?
D
How does the brain chemistry of honeybees change during their lives?

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