Quiz about EOC Review: Applications of Linear Functions

Question 1

Based on the correlation coefficient for the data, what type of linear association exists between hours worked and overall grade average?

Accepted Answer

A) Strong negative

Answer

B) Weak negative

Answer

C) Weak positive

Answer

D) Strong positive

Question 2

Which correlation best describes the strength of the linear association between the number of species added to the United States endangered species list and the year?

Accepted Answer

B) Weak negative correlation, because r = -0.09

Answer

A) Weak negative correlation, because r = -0.91

Answer

C) Strong negative correlation, because r = -0.91

Answer

D) Strong negative correlation, because r = -0.09

Question 3

What does the correlation coefficient for the data indicate about the strength of the linear association between the height and the length of these rectangles?

Accepted Answer

Weak positive correlation

Answer

Weak negative correlation

Answer

Strong negative correlation

Answer

Strong positive correlation

Question 4

Which function best models the data in the table?

Accepted Answer

f(x) = 337 - 41x

Answer

f(x) = 296 - 41x

Answer

f(x) = 317 - 38x

Answer

f(x) = 296 - 38x

Question 5

A construction manager is monitoring the progress of the build of a new house. The scatterplot and table show the number of months since the start of the build and the percentage of the house still left to build. A linear function can be used to model this relationship. Which function best models the data?

Accepted Answer

y = -13.5x + 97.8

Answer

y = -13.5x + 7.3

Answer

y = 97.8x - 13.5

Answer

y = 7.3x - 97.8

Question 6

Based on the table, what is the best prediction of the number of clicks on the advertisement if 1,500 people visit the website?

Accepted Answer

83

Answer

77

Answer

137

Answer

105

Question 7

The scatterplot shows the monthly high temperatures for Austin, Texas, in degrees Fahrenheit over a 12-month period. Which function best models the data from Month 1 to Month 9?

Accepted Answer

y = 2.5x + 90

Answer

y = -1.6x + 111

Answer

y = 3.5x + 85

Answer

y = -3.3x + 130

Question 8

The total cost, y, for x tickets to a concert includes a flat fee for procession and a cost per ticket. One customer purchased 4 tickets for a total cost of $160. Another customer purchased 8 tickets for a total cost of $300.
Which linear equation represents the total cost in dollars, y, for x tickets?

Which linear equation represents the total cost in dollars, y, for x tickets?

Accepted Answer

y=35x+20

Answer

y=40x

Answer

y=37.5x

Answer

y=20x+35

Question 9

Printer ink costs $18.99 per cartridge. The company that sells the ink cartridges charges a flat rate fee of $7.95, no matter the number of cartridges purchased in a single order.

Which linear function models the total cost, t, for a single order of c cartridges?

Accepted Answer

t=18.99c+7.95

Answer

c=26.94t

Answer

c=18.99t+7.95

Answer

t=26.94c

Question 10

At a restaurant jars of tomato sauce are stored in boxes in the pantry. Each box contains 8 jars of tomato sauce. A cook uses 2 jars from 1 of the boxes.

Which function shows the relationship between y, the total number of jars of tomato sauce remaining on the pantry and x, the number of boxes in the pantry?

Accepted Answer

y=8x-2

Answer

y=8x+6

Answer

y=8x

Answer

y=6x

Question 11

Researchers in Antarctica discovered a warm sea current under a glacier that is causing the glacier to melt. The ice shelf of the glacier had a thickness of approximately 450m when it was first discovered. The thickness of the ice shelf is decreasing at an average rate of 0.06m per day.

Which function can be used to find the thickness of the ice shelf in meters x days since the discovery?

Accepted Answer

t(x)=450-0.06x

Answer

t(x)= -0.06(x+450)

Answer

t(x)= 450 + 0.06x

Answer

t(x)= 0.06(x+450)

Question 12

Which statement describes the x-intercept of the graph?

Accepted Answer

The x-intercept is 60, which represents the number of monthly payments needed to repay the loan.

Answer

The x-intercept is 60, which represents the initial balance in dollars of the loan.

Answer

The x-intercept is 27,000, which represents the initial balance in dollars of the loan.

Answer

The x-intercept is 27,000, which represents the number of monthly payments needed to repay the loan.

Question 13

Which statement best describes the y-intercept of the graph?

Accepted Answer

The initial water level was 16 ft.

Answer

The water level increased by 0.25 per day.

Answer

The maximum water level was 19.5 ft.

Answer

The water level was measured for 14 days

Question 14

A lifeguard earns $30 per week for working 40 hours plus $12 per hour worked over 40 hours. A lifeguard can work a maximum of 60 hours per week.

Which graph best represents the lifeguard's weekly earning in dollars for working h hours over 40?

Accepted Answer

Question 15

Which scatter plot shows a linear relationship between x and y?

Accepted Answer

Graph C

Answer

Graph A

Answer

Graph B

Answer

Graph D

Question 16

The Roaming Cell Phone Company charges $15.00 per month plus $0.20 per minute of airtime usage.  If Juanita uses x minutes of airtime, what is an equation that can be used to determine her monthly cell phone bill (C)?

Accepted Answer

C = 0.20x + 15

Answer

C =15 (0.20x)

Answer

C = 15 + x + 0.20

Answer

C = 0.20 + 15x

Question 17

At the beginning of spring, Lauren planted a small sunflower in her backyard. The sunflower's height in inches, h, after w weeks, is given by the equation h=9+3w. What could the number 9 represent in the equation?

Accepted Answer

The sunflower's height when it was planted

Answer

The sunflower's final height

Answer

The rate of change in the sunflower's height

Answer

The sunflower's height after one week

Question 18

The function C(m)=2.25+0.75m represents the total cost (C) you have to pay to take a cab m miles. What is the meaning of the slope?

Accepted Answer

The cost of the trip will increase by $0.75 per mile.

Answer

You will have to pay $2.25 before you travel any miles.

Answer

You will have to pay $0.75 before you travel any miles.

Answer

The cost of the trip will increase by $2.25 per mile.

EOC Review: Applications of Linear Functions

22 questions

Based on the correlation coefficient for the data, what type of linear association exists between hours worked and overall grade average?

Which correlation best describes the strength of the linear association between the number of species added to the United States endangered species list and the year?

What does the correlation coefficient for the data indicate about the strength of the linear association between the height and the length of these rectangles?

Which function best models the data in the table?

Based on the table, what is the best prediction of the number of clicks on the advertisement if 1,500 people visit the website?

What is the best prediction of the percentage of the baby rhinoceros’s body mass that should be used to determine the amount of food given at each feeding when it is 25 weeks old?

The scatterplot shows the monthly high temperatures for Austin, Texas, in degrees Fahrenheit over a 12-month period. Which function best models the data from Month 1 to Month 9?

Printer ink costs $18.99 per cartridge. The company that sells the ink cartridges charges a flat rate fee of $7.95, no matter the number of cartridges purchased in a single order.
Which linear function models the total cost, t, for a single order of c cartridges?

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EOC Review: Applications of Linear Functions

22 questions

Based on the correlation coefficient for the data, what type of linear association exists between hours worked and overall grade average?

Which correlation best describes the strength of the linear association between the number of species added to the United States endangered species list and the year?

What does the correlation coefficient for the data indicate about the strength of the linear association between the height and the length of these rectangles?

Which function best models the data in the table?

Based on the table, what is the best prediction of the number of clicks on the advertisement if 1,500 people visit the website?

What is the best prediction of the percentage of the baby rhinoceros’s body mass that should be used to determine the amount of food given at each feeding when it is 25 weeks old?

The scatterplot shows the monthly high temperatures for Austin, Texas, in degrees Fahrenheit over a 12-month period. Which function best models the data from Month 1 to Month 9?

Printer ink costs $18.99 per cartridge. The company that sells the ink cartridges charges a flat rate fee of $7.95, no matter the number of cartridges purchased in a single order.Which linear function models the total cost, t, for a single order of c cartridges?

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics

Printer ink costs $18.99 per cartridge. The company that sells the ink cartridges charges a flat rate fee of $7.95, no matter the number of cartridges purchased in a single order.
Which linear function models the total cost, t, for a single order of c cartridges?