AnswersAlgebra II B 2025Cumulative Exam

Cumulative Exam — Cumulative exam Answers

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Researchers compare the body composition of cattle feeding on a grain diet with that of cattle feeding on a grass diet. This method of gathering data is classified as

A
a census.
B
a sample survey.
C
an experiment.
D
an observational study.
42
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For which value of is csc () undefined?

Question illustration
A
0
B
StartFraction pi Over 2 EndFraction
Option B
C
StartFraction 3 pi Over 2 EndFraction
Option C
D
StartFraction 7 pi Over 2 EndFraction
Option D
43

Phan fills the tank of her car with gasoline before starting her road trip. The table below shows the amount of gas left in her tank as she drives.Number of Hours vs. Amount Left in TankNumber of Hours Spent Driving (h)3579Amount of Gas Left in Tank, in gallons (g)12840Which equation models the amount of gas left in the car as Phan drives, and how many gallons of gasoline does it take to fill her tank?

A
g = 18 – 2h; 18 gallons
B
g = 18 – 2h; 16 gallons
C
g = 3h + 3; 30 gallons
D
g = 3h + 3; 12 gallons
44

What are the domain and range of f(x) = |x + 6|?

A
domain: ; range: f(x) 0
Option A
B
domain: x ; range:
Option B
C
domain: x ; range:
Option C
D
domain: ; range: f(x) 0
Option D
45

Which of the following shows the true solution to the logarithmic equation

Question illustration
A
x = negative 1
Option A
B
x = 1
Option B
C
and
Option C
D
, , and
Option D
46

Which survey is most likely affected by bias?

A
a survey of teenagers about their favorite colors
B
a survey of students about vacation policies in a school district
C
a survey of supermarket shoppers about products they would like to see added
D
a survey of bike riders on whether they wear helmets
47

Which set of transformations is needed to graph f(x) = –0.1cos(x) – 4 from the parent cosine function?

A
reflection across the y-axis, vertical compression by a factor of 0.1, vertical translation 4 units up
B
reflection across the x-axis, vertical compression by a factor of 0.1, vertical translation 4 units down
C
vertical stretching by a factor of 0.1, vertical translation 4 units down, reflection across the y-axis
D
vertical stretching by a factor of 0.1, vertical translation 4 units up, reflection across the x-axis
48

Which classification describes the following system of equations?

Question illustration
A
inconsistent and dependent
B
consistent and dependent
C
consistent and independent
D
inconsistent and independent
49

The College Board states that the average math SAT score is 514 with a standard deviation of 117. Colleen gathered data from 50 students in her graduating class and found the average score to be 529. She thinks that her class’s math SAT score is different from the average. Which of the following shows the correct z-statistic for this situation?

A
0.02
B
0.91
C
1.26
D
5.67
50

Given the function f(x) = 3|x – 2| + 6, for what values of x is f(x) = 18?

A
x = –2, x = –8
B
x = –2, x = –6
C
x = –2, x = 6
D
x = –2, x = 8

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