Donald's bank account is modeled by the following function where x equals the number of months and f(x) equals the total balance. f(x) = 15x + 50 Joe's bank account balances after monthly deposits are shown in the table. What were the initial balances for both Donald and Joe?

Donald's was $50 and Joe's was $65.

Donald's was $15 and Joe's was $12.

Donald's was $50 and Joe's was $12.

Donald's was $15 and Joe's was $65.

A study was conducted to monitor the temperatures of two Florida cities on a random day in September from noon until 8pm. The first city, Orlando, had a temperature (in degrees fahrenheit) as a function of the time (in hours) represented by the following function. T(h)=105-5.5h The second city, Jacksonville, had a temperature (in degrees fahrenheit) as a function of time (in hours) is shown as a graph below. Which city started at a higher temperature?

the cities started at the same temperature

Which pizza place pays the best salary per pizza delivered? How many pizzas would the pizzeria need to deliver to make at least $ 100 dollars in one night? Write the equation of each Pizzeria salary scale.

Little Squeezers 20 pizzas f(x)= 3x+48

Bombino's 21 pizzas f(x)= 56x+2.5

Little Squeezers 15 pizzas f(x)= 48+9x

Bombino's 18 pizzas f(x)= 2.5x+56

Alicia and Melissa did jumping jacks. The table shows the number of jumping jacks that Alicia had done in different amounts of time. The graph shows the number of jumping jacks that Melissa had done in different amounts of time. Which choice best describes the difference between the rates at which the girls did jumping jacks?

Alicia did 5 more jumping jacks per minute than Melissa.

Melissa did 6 more jumping jacks per minute than Alicia.

Alicia did 6 more jumping jacks per minute than Melissa.

Melissa did 5 more jumping jacks per minute than Alicia.

The function C ( m ) = 0.55 m + 3.75 models the cost to take an m mile-long taxi ride from Quick Cabs. The table shows the cost to take a cab different distances from Get You There Cabs. Which statement is true about the two cab companies?

Quick Cabs costs less per mile but has a higher fixed fee than Get You There Cabs.

Quick Cabs costs more per mile but has a lower fixed fee than Get You There Cabs.

Quick Cabs costs less per mile and has a lower fixed fee than Get You There Cabs.

Quick Cabs costs more per mile and has a higher fixed fee than Get You There Cabs.

Which statement is true about the function f ( x ) = 6 x + 2 and the linear function that fits the values in the table?

f ( x ) has the same y -intercept as g ( x ).

f ( x ) has the same slope as g ( x ).

f ( x ) has the same x -intercept as g ( x ).

f ( x ) and g ( x ) are the same function.

Leonard compared the cost of purchasing a gallon of gas at two different gas stations. The function C(g) = 3.25 + 0.07x models the average cost of a gallon of gas at the first gas station after x months. The table below shows the average cost of a gallon of gas at the second gas station after different numbers of months. Which statement is true?

The second station had a higher initial price per gallon but increased at a smaller amount per month than the first station.

The first station had a higher initial price per gallon and increased at a greater amount per month than the second station.

The second station had a higher initial price per gallon and increased at a greater amount per month than the first station.

The first station had a higher initial price per gallon but increased at a smaller amount per month than the second station.

Comparing Initial Values in Linear Functions

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Comparing Initial Values in Linear Functions

Quiz

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Mathematics

•

8th Grade

•

Practice Problem

•

Hard

•

CCSS

8.F.A.2, 8.EE.B.5, HSF-IF.C.7A

Standards-aligned

Anthony Clark

FREE Resource

20 questions

Show all answers

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Marion compared the y-intercept of the function, f(x), shown in the table, to the y-intercept of the function, g(x), on the graph.

What is the distance between the y-intercepts of f(x) and g(x)?

0 units

4 units

12 units

20 units

Tags

CCSS.HSF-IF.C.7A

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The y-intercept of Function A is less than the y-intercept of Function B.

The y-intercept of Function A is greater than the y-intercept of Function B.

The y-intercept of Function A is equal to the y-intercept of Function B.

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Janet is planning her sweet sixteen birthday party. She must decide which party coordinator she should use so that she spends the least amount of money possible. Each coordinator charges an initial fee for their services, plus an additional fee depending on the number of guests that attend the party. Each coordinator's rates are shown in the image. Which coordinator charges the greatest initial fee?

Coordinator A

Coordinator B

Coordinator C

Coordinator D

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Janet is planning her sweet sixteen birthday party. She must decide which party coordinator she should use so that she spends the least amount of money possible. Each coordinator charges an initial fee for their services, plus an additional fee depending on the number of guests that attend the party. Each coordinator's rates are shown in the image. If Janet is planning on inviting 24 guests, which coordinator should she use?

Coordinator A

Coordinator B

Coordinator C

Coordinator D

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Compare the initial values of each function.

The initial value of item I is greater than the initial value of item II.

The initial value of item I is equal to the initial value of item II.

The initial value of item II is greater than the initial value of item I.

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Two linear functions are shown below. Which function has the greater initial value?

Function A

Function B

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which company costs more at the starting cost? With How much?

Homework Lifeline as $ 0.5

Homework Lifeline as $25

Homework Lifeline as $10

Homework SOS as $10

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

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Comparing Initial Values in Linear Functions

20 questions

Marion compared the y-intercept of the function, f(x), shown in the table, to the y-intercept of the function, g(x), on the graph.What is the distance between the y-intercepts of f(x) and g(x)?

Compare the initial values of each function.

Two linear functions are shown below. Which function has the greater initial value?

Which company costs more at the starting cost? With How much?

What is the greater initial value?

Donald's bank account is modeled by the following function where x equals the number of months and f(x) equals the total balance. f(x) = 15x + 50Joe's bank account balances after monthly deposits are shown in the table.What were the initial balances for both Donald and Joe?

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Discover more resources for Mathematics

Marion compared the y-intercept of the function, f(x), shown in the table, to the y-intercept of the function, g(x), on the graph.

What is the distance between the y-intercepts of f(x) and g(x)?

Donald's bank account is modeled by the following function where x equals the number of months and f(x) equals the total balance. f(x) = 15x + 50

Joe's bank account balances after monthly deposits are shown in the table.

What were the initial balances for both Donald and Joe?