Modeling with Rational Functions — Unit test Answers

1049 verified answers13 views
561
Free Preview

Which equation has an a-value of –2, a b-value of 1, and a c-value of 3?

A
0 = –2x2 + x + 3
B
0 = 2x2 + x + 3
C
0 = –2x2 + 3
D
0 = 2x2 – x + 3
562
Free Preview

The Emancipation Proclamation took effect

A
immediately after President Lincoln wrote it.
B
before the battles of Chancellorsville and Antietam.
C
many years after the end of the Civil War.
D
after Southern states refused to rejoin the Union.
563

Kadesha is simplifying the expression below.She lists the steps that she uses to simplify the expression as follows:Step 1: Distribute –1 through , and distribute –2 through .Step 2: Rewrite the expression as .Step 3: Combine –x and –2x, and combine –3 and –2.Step 4: The simplified expression is .In which step did Kadesha make the first error?

Question illustration
A
She made the first error in Step 1 because only –2 should be distributed through the parentheses.
B
She made the first error in Step 2 because Step 2 should be .
Option B
C
She made the first error in Step 3 because –x and –2x cannot be combined.
D
She made the first error in Step 4 because the simplified expression is .
Option D
566

On the Night of Broken Glass in Germany, which of the following occurred?

A
Thousands of Jewish people were arrested.
B
Trains began taking Jewish people to concentration camps.
C
Nazis began building the first Jewish ghettos.
D
Jewish people were given a final chance to escape Germany.
568

Which peer passenger is negatively influencing driving?

A
Oliver quickly buckles his seat belt.
B
Lachlan tells the driver to hurry up.
C
Jasmine helps the driver with directions.
D
Zoe talks quietly with her friend in the backseat.
570

Edward Jenner’s smallpox inoculation experiment was based on his observation that dairymaids who had had cowpox did not contract smallpox. How did Jenner form his hypothesis from this observation?

A
He asked what would happen if he inoculated a person with cowpox fluid and then later with smallpox fluid.
B
He tested different existing inoculations to see which one was most effective in preventing smallpox.
C
He observed dairymaids who had contracted cowpox to see whether they became immune to smallpox.
D
He drew a conclusion about dairymaids who got cowpox becoming immune to getting smallpox.
571

The best definition for foreign policy is how one country chooses to

A
control other countries.
B
trade with other countries.
C
interact with other countries.
D
support other countries.
572

Where is the option to insert a PivotTable in Excel 2016 located?

A
Insert tab in the Tables group
B
Formulas tab in the Data Analysis group
C
Data tab in the PivotTables group
D
Data tab in the Tables group
573

What was the result of Gorbachev’s reaction to the Eastern European protests against the Soviet Union?

A
The majority of Russians demanded more democratic reforms.
B
The majority of Russians demanded a return to communism.
C
Opposition to him within the government decreased.
D
Opposition to him within the government increased.
574

Which factors positively affect lifetime income? Check all that apply.

p
post-secondary education
e
employee benefits
s
salary
v
vocational training throughout career
h
high cost of living
e
early retirement
575

Which technology has most lowered inventory costs in industry?

A
tablet computers
B
robotics
C
satellite communications
D
just-in-time manufacturing
577

Read the excerpt from The Time Traveler's Guide to Elizabethan England.Simon Forman, who does attend plague sufferers, is a rare exception: this is because he has himself survived the disease and believes he cannot catch it again. However, his remedy amounts to little more than avoiding eating onions and keeping warm. He has a recipe for getting rid of the plague sores that will afflict you afterward if you survive the disease; but that is a very big "if.” It seems the best advice is provided by

K
Keeping warm and eating onions was the only way to avoid the plague. This treatment was recommended by Nicholas Bownd.
S
Some Elizabethans believed that diet caused the plague. Nicholas Bownd suggested praying to God as the only cure.
W
Writer Simon Forman believed that God was the only answer to the plague. He survived the disease and ate warm onions to treat his sores.
W
While doctors like Simon Forman tried to help, others such as Nicholas Bownd relied on their faith in God.
578

Read the excerpt from "I Wandered Lonely as a Cloud."For oft, when on my couch I lieIn vacant or in pensive mood, They flash upon that inward eyeWhich is the bliss of solitude;And then my heart with pleasure fills,And dances with the daffodils.

T
This excerpt shows influences of the Romantic movement because it hints at the speaker’s contempt toward the Industrial Revolution.
T
This excerpt shows influences of the Enlightenment period because it uses formal language to describe the speaker’s experience.
T
This excerpt shows influences of the Romantic movement because it focuses on the awe-inspiring power of nature.
T
This excerpt shows influences of the Enlightenment period because it contains highly technical language.
580

Which information is necessary to include when framing a direct quote?

A
the author’s name
B
date the source was published
C
parentheses around direct quotes
D
the author’s occupation

Did you find these answers helpful?