Answers FL-1200330-Algebra 2 CRModeling with Rational Functions

Modeling with Rational Functions — Unit test Answers

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A rectangle with a width of 2.5 cm and a length of 3 cm is dilated by a scale factor of 4. Which statements about the new rectangle are true? Check all that apply.

The dimensions of the new rectangle will be 10 cm by 12 cm.

The dimensions of the new rectangle will be 40 cm by 48 cm.

The new perimeter will be 4 times the original perimeter.

The new perimeter will be 16 times the original perimeter.

The new area will be 4 times the original area.

The new area will be 16 times the original area.

The new perimeter will be 44 cm.

The new area will be 30 square cm

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The table below shows the different times it takes Paula to drive to her grandmother’s house depending on the rate at which she drives.Rate vs. TimeRate (mph)30405060Time (h)2.51.8751.51.25If one day Paula rides a scooter to her grandmother’s house at a constant rate of 24 miles per hour, how long should it take her?

2.625 hours

2.75 hours

3.125 hours

3.75 hours

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To be successful, what must an entrepreneur be willing to invest? Check all that apply.moneyunemploymentpersonal safetytimeconsiderable effort

money

unemployment

personal safety

time

considerable effort

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An exchange rate table makes it easy to compare the

different currency denominations used by a single country.

cost to produce the currency used by a single country.

value of the currencies for two or more countries.

unemployment rates for two or more countries.

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The stemplot displays 26 students’ scores on a 90-point statistics test.

The scores on the test are centered around 63 and vary from 45 to 85.

The scores on the test are centered around 66 and vary from 43 to 85.

The scores on the test are centered around 66 and vary from 40 to 80.

The scores on the test are centered around 69 and vary from 45 to 85.

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Which excerpt from Black Boy best reflects the way in which Wright’s knowledge of history and culture influence his views on his father?

When I awakened one morning my mother told me that we were going to see a judge who would make my father support me and my brother. An hour later all three of us were sitting in a huge crowded room.

For some reason the entire thing struck me as being useless; I felt that if my father were going to feed me, then he would have done so regardless of what a judge said to him. And I did not want my father to feed me.

My father and a strange woman were sitting before a bright fire that blazed in a grate. My mother and I were standing about six feet away, as though we were afraid to approach them any closer.

From far beyond the horizons that bound this bleak plantation there had come to me through my living the knowledge that my father was a black peasant who had gone to the city seeking life, but who had failed in the city; a black peasant whose life had been hopelessly snarled in the city.

247

What is the y-intercept of a line that has a slope of –3 and passes through point (–5, 4)?

–

–17

–

–11

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According to the US Census Bureau, how is "Black or African American" defined?

a person having origins in any of the racial groups of North Africa

a person having origins in any of the Black racial groups of Africa

a person having origins in any African country

a person having origins in specific countries of sub-Saharan Africa

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What does the index of refraction directly measure?

the angle between the incident ray and the normal line

the angle between the refracted ray and the normal line

the bending of light in a medium

the reflection of light in a medium

250

Read the passage.Social media is here to stay. No amount of complaining by a generation who cannot even turn on a computer will change the fact that we live in a social media world. Increasing access to social media for people who are unfamiliar with it or afraid of using it should be the first step toward making the playing field a bit more even for everyone.

My hope is that our generation can be the generation to create a path to social media success.

Unless everyone in the U.S. including our grandparents can successfully use social media, we will be left behind.

Not everyone needs to have the same passion for social media, but access is nonetheless important.

Success for beginners, through access, will lead to a more aware and active community of users.

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Which diagram has all the correct lines of reflectional symmetry for the rectangle?

A rectangle is folded diagonally on both corners.

A rectangle is folded by a vertical and horizontal line going through its center.

A rectangle is folded 4 ways. It is folded horizontally, vertically, and diagonally on both corners.

A rectangle is folded 4 ways. It is folded diagonally at each midpoint of every side.

252

Read the excerpt from a literary blog.While many scholars make powerful and convincing arguments for the literary genius of Zora Neale Hurston, Edgar Allan Poe, or John Steinbeck, Willa Cather is arguably the best novelist ever known to American readers. Her most famous novel, My Ántonia, is a work of pure genius. Written in 1918, the autobiographical masterpiece tells the story of Ántonia Shimerda, the daughter of immigrant parents. Told through the eyes of her childhood friend, Jim Burden, Ántonia’s story chronicles the hardships of living as a pioneer in the prairielands of the American Midwest. Surprisingly, Cather was able to remember her experience of moving from Virginia to Nebraska as a nine-year-old child and use her pain and happiness from those times to create the most beautiful novel ever written. No one has ever been able to capture life on the Western plains as Cather did. At the time of its publication, Cather’s unmistakable talent was lauded throughout the world. Cather rightfully gained her place among the esteemed writers of the modern literary movement.

one-sided diction

writer stands to benefit

omission of accepted viewpoints

overreliance on emotional appeals

253

Read the sentence.Cora Emily and Elliot visited relatives in Boston, Massachusetts Durham, New Hampshire and Portland, Maine.

They should be punctuated in the same way. Both lists should use commas to separate items.

They should be punctuated in the same way. Both lists should use semicolons to separate items.

They should be punctuated differently. The items in the first list should be separated by commas. The items in the second list should be separated by semicolons.

They should be punctuated differently. The items in the first list should be separated by semicolons. The items in the second list should be separated by commas.

254

At a town hall meeting with a political candidate, a college student asks a question about community preschool options. It is an important issue for him.What can the political candidate most likely assume about the student’s identity?

He is an immigrant.

He lives in the suburbs.

He is a parent of a young child.

He enjoys speaking in front of others.

255

One important detail about the Oklahoma economy that the events of the Dust Bowl emphasized was __________.

the need to convert pastures into forests

the understanding that Oklahoma’s farmers must abandon their commitment to producing wheat

the fact that economic conditions improved only when population decreased

the significance of agriculture to Oklahoma’s economy

256

For function f(x), which condition implies a horizontal asymptote at y = 31?

Limit of f (x) as x approaches 31 = infinity

Limit of f (x) as x approaches infinity = 31

Limit of f (x) as x approaches 31 plus = infinity and

for some value of c

257

Which statement describes the order of rotational symmetry for an isosceles triangle?

An isosceles triangle has an order 0 rotational symmetry because there is no angle at which it can be rotated onto itself.

An isosceles triangle has an order 1 rotational symmetry because it does not have all congruent angles.

An isosceles triangle has an order 2 rotational symmetry because it has 1 pair of congruent angles.

An isosceles triangle has an order 3 rotational symmetry because it has 3 angles.

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In Regents v. Bakke, the Supreme Court found that

racial quotas were not discriminatory.

Bakke should not have been admitted.

minority students could not be admitted over white students.

colleges could still consider race when admitting students.

259

Which statement gives evidence for Brutus's tragic flaw in The Tragedy of Julius Caesar?

Brutus is easily manipulated and persuaded by others.

Brutus finds honor in taking his life when his armies are defeated.

Mark Antony decides to go to war against the conspirators to avenge Caesar.

The audience pities Brutus because he has good intentions but is still defeated.

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Several months ago, Astrid moved from Norway to California to take a job in the software industry. To help save money, she settled in an apartment with an American roommate named Rita. However, Astrid and Rita sometimes have differences of opinion. Astrid rises early in the morning, around 6 a.m., and fixes something to eat right away. This habit is common for many Norwegians who prefer to have an early frokost, or breakfast. Rita, on the other hand, likes to sleep late and often becomes annoyed by the sounds from the kitchen first thing in the morning.Which effect of migration does this scenario describe?

clash of cultures

blend of cultures

shift of social views

shift of political views

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Modeling with Rational Functions — Unit test Answers

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