NBHS Unit 3 Test

Answer each question showing all your work. Watch your time so you are not stuck in the middle of a question when it is submitted.

In submitting this quiz you are agreeing that you have completed this in a honest manner and did not seek and/or help others in its completion.

For questions 1 - 9 answer the questions using the graph and given equations.

3

Match each equation with line A, B, or C from the graph: (1 point each)

3

Find the missing coordinate for each equation in the table below. (3 points)

3

Find the missing coordinate for each equation in the table below. (3 points)

3

Find the missing coordinate for each equation in the table below. (3 points)

1

Looking at your previous answers write the coordinates (x, y) of the point that is on all three lines. (1 point)

3

Looking at your previous answers what are the slopes of each line? A: _ B: C:___

3

Looking at your previous answers what are the y-intercepts of each line? A: _ B: C:___

1

What is the slope of a line parallel to line A.

1

What is the slope of a line perpendicular to line B.

4

Given the points (2, 4) and (-4, -2), write the equation in slope-intercept form. (4 pts.)

2

The function y = 14x + 20 represents the amount of money, y (in dollars), Josh charges to landscape a lawn
in x hours.

a.) Identify the independent and dependent variables. (2 pts.)

2

The function y = 14x + 20 represents the amount of money, y (in dollars), Josh charges to landscape a lawn
in x hours.

b.) Josh can take 1, 2 or 3 hours to landscape a lawn. Calculate the range of the function and identify
the domain and range. (2 pts.)

2

The function y = 14x + 20 represents the amount of money, y (in dollars), Josh charges to landscape a lawn
in x hours.

c.) If it took Josh 2.5 hours to Landscape Mr. Rivera’s lawn, how much will Mr. Rivera pay Josh to do
the job? (2 pts.)

1

The NBHS Music Department is selling cookies to raise money for their trip to Disney at the end of the
year. The Borinquen Bakery charges the department $160 for the cookies, including the cost for
delivery. The department decides to sell the cookies for $2.00 each. Let x represent the number of
cookies sold, and y represent the net profit.

a.) Identify the slope (rate of change). (1 point)

1

The NBHS Music Department is selling cookies to raise money for their trip to Disney at the end of the
year. The Borinquen Bakery charges the department $160 for the cookies, including the cost for
delivery. The department decides to sell the cookies for $2.00 each. Let x represent the number of
cookies sold, and y represent the net profit.

b.) Explain the real-world meaning of the slope. (1 point)

1

The NBHS Music Department is selling cookies to raise money for their trip to Disney at the end of the
year. The Borinquen Bakery charges the department $160 for the cookies, including the cost for
delivery. The department decides to sell the cookies for $2.00 each. Let x represent the number of
cookies sold, and y represent the net profit.

c.) What is the y-intercept? (1 point)

1

The NBHS Music Department is selling cookies to raise money for their trip to Disney at the end of the
year. The Borinquen Bakery charges the department $160 for the cookies, including the cost for
delivery. The department decides to sell the cookies for $2.00 each. Let x represent the number of
cookies sold, and y represent the net profit.

d.) Explain the real-world meaning of the y-intercept. (1 point)

2

The NBHS Music Department is selling cookies to raise money for their trip to Disney at the end of the
year. The Borinquen Bakery charges the department $160 for the cookies, including the cost for
delivery. The department decides to sell the cookies for $2.00 each. Let x represent the number of
cookies sold, and y represent the net profit.

e.) Write an equation for the situation. (2 points)

3

The NBHS Music Department is selling cookies to raise money for their trip to Disney at the end of the
year. The Borinquen Bakery charges the department $160 for the cookies, including the cost for
delivery. The department decides to sell the cookies for $2.00 each. Let x represent the number of
cookies sold, and y represent the net profit.

f.) When will the class break-even (neither make nor lose money). Explain how you arrived at your answer.
(1 point for substitution, 2 points for solving)

3

The NBHS Music Department is selling cookies to raise money for their trip to Disney at the end of the
year. The Borinquen Bakery charges the department $160 for the cookies, including the cost for
delivery. The department decides to sell the cookies for $2.00 each. Let x represent the number of
cookies sold, and y represent the net profit.

g.) If the class sells 500 cookies, what will the profit be? Show your work. (1 point for substitution, 2 points
for solving)

2

To buy a game at Gamestop Online it cost $50 a game and the cost for shipping is $15 no matter how many
games you buy.

a.) Write an equation in slope-intercept form to represent the situation. (2 pts.)

2

To buy a game at Gamestop Online it cost $50 a game and the cost for shipping is $15 no matter how many
games you buy.

b.) What does the slope represent in the problem? (2 pts.)

3

To buy a game at Gamestop Online it cost $50 a game and the cost for shipping is $15 no matter how many
games you buy.

c.) Find the cost for buying 1, 2 and 5 games, fill in the table below. (1 point each)

2

To buy a game at Gamestop Online it cost $50 a game and the cost for shipping is $15 no matter how many
games you buy.

d.) If you spend $215 at Gamestop Online, how many games did you buy? (2 pts.)

NBHS Unit 3 Test

Match each equation with line A, B, or C from the graph: (1 point each)

Find the missing coordinate for each equation in the table below. (3 points)

Find the missing coordinate for each equation in the table below. (3 points)

Find the missing coordinate for each equation in the table below. (3 points)

Looking at your previous answers write the coordinates (x, y) of the point that is on all three lines. (1 point)

Looking at your previous answers what are the slopes of each line? A: _______ B: ________ C:_________

Looking at your previous answers what are the y-intercepts of each line? A: _______ B: ________ C:_________

What is the slope of a line parallel to line A.

What is the slope of a line perpendicular to line B.

Given the points (2, 4) and (-4, -2), write the equation in slope-intercept form. (4 pts.)

The function y = 14x + 20 represents the amount of money, y (in dollars), Josh charges to landscape a lawnin x hours. a.) Identify the independent and dependent variables. (2 pts.)

The function y = 14x + 20 represents the amount of money, y (in dollars), Josh charges to landscape a lawnin x hours. b.) Josh can take 1, 2 or 3 hours to landscape a lawn. Calculate the range of the function and identify the domain and range. (2 pts.)

The function y = 14x + 20 represents the amount of money, y (in dollars), Josh charges to landscape a lawnin x hours. c.) If it took Josh 2.5 hours to Landscape Mr. Rivera’s lawn, how much will Mr. Rivera pay Josh to do the job? (2 pts.)

To buy a game at Gamestop Online it cost $50 a game and the cost for shipping is $15 no matter how manygames you buy. a.) Write an equation in slope-intercept form to represent the situation. (2 pts.)

To buy a game at Gamestop Online it cost $50 a game and the cost for shipping is $15 no matter how manygames you buy. b.) What does the slope represent in the problem? (2 pts.)

To buy a game at Gamestop Online it cost $50 a game and the cost for shipping is $15 no matter how manygames you buy. c.) Find the cost for buying 1, 2 and 5 games, fill in the table below. (1 point each)

To buy a game at Gamestop Online it cost $50 a game and the cost for shipping is $15 no matter how manygames you buy. d.) If you spend $215 at Gamestop Online, how many games did you buy? (2 pts.)

Match each equation with line A, B, or C from the graph: (1 point each)

Find the missing coordinate for each equation in the table below. (3 points)

Find the missing coordinate for each equation in the table below. (3 points)

Find the missing coordinate for each equation in the table below. (3 points)

Looking at your previous answers write the coordinates (x, y) of the point that is on all three lines. (1 point)

Looking at your previous answers what are the slopes of each line? A: _______ B: ________ C:_________

Looking at your previous answers what are the y-intercepts of each line? A: _______ B: ________ C:_________

What is the slope of a line parallel to line A.

What is the slope of a line perpendicular to line B.

Given the points (2, 4) and (-4, -2), write the equation in slope-intercept form. (4 pts.)

The function y = 14x + 20 represents the amount of money, y (in dollars), Josh charges to landscape a lawnin x hours. a.) Identify the independent and dependent variables. (2 pts.)

The function y = 14x + 20 represents the amount of money, y (in dollars), Josh charges to landscape a lawnin x hours. b.) Josh can take 1, 2 or 3 hours to landscape a lawn. Calculate the range of the function and identify the domain and range. (2 pts.)

The function y = 14x + 20 represents the amount of money, y (in dollars), Josh charges to landscape a lawnin x hours. c.) If it took Josh 2.5 hours to Landscape Mr. Rivera’s lawn, how much will Mr. Rivera pay Josh to do the job? (2 pts.)

To buy a game at Gamestop Online it cost $50 a game and the cost for shipping is $15 no matter how manygames you buy. a.) Write an equation in slope-intercept form to represent the situation. (2 pts.)

To buy a game at Gamestop Online it cost $50 a game and the cost for shipping is $15 no matter how manygames you buy. b.) What does the slope represent in the problem? (2 pts.)

To buy a game at Gamestop Online it cost $50 a game and the cost for shipping is $15 no matter how manygames you buy. c.) Find the cost for buying 1, 2 and 5 games, fill in the table below. (1 point each)

To buy a game at Gamestop Online it cost $50 a game and the cost for shipping is $15 no matter how manygames you buy. d.) If you spend $215 at Gamestop Online, how many games did you buy? (2 pts.)

Looking at your previous answers what are the slopes of each line? A: _ B: C:___

Looking at your previous answers what are the y-intercepts of each line? A: _ B: C:___

The function y = 14x + 20 represents the amount of money, y (in dollars), Josh charges to landscape a lawn
in x hours.

a.) Identify the independent and dependent variables. (2 pts.)

The function y = 14x + 20 represents the amount of money, y (in dollars), Josh charges to landscape a lawn
in x hours.

b.) Josh can take 1, 2 or 3 hours to landscape a lawn. Calculate the range of the function and identify
the domain and range. (2 pts.)

The function y = 14x + 20 represents the amount of money, y (in dollars), Josh charges to landscape a lawn
in x hours.

c.) If it took Josh 2.5 hours to Landscape Mr. Rivera’s lawn, how much will Mr. Rivera pay Josh to do
the job? (2 pts.)

To buy a game at Gamestop Online it cost $50 a game and the cost for shipping is $15 no matter how many
games you buy.

a.) Write an equation in slope-intercept form to represent the situation. (2 pts.)

To buy a game at Gamestop Online it cost $50 a game and the cost for shipping is $15 no matter how many
games you buy.

b.) What does the slope represent in the problem? (2 pts.)

To buy a game at Gamestop Online it cost $50 a game and the cost for shipping is $15 no matter how many
games you buy.

c.) Find the cost for buying 1, 2 and 5 games, fill in the table below. (1 point each)

To buy a game at Gamestop Online it cost $50 a game and the cost for shipping is $15 no matter how many
games you buy.

d.) If you spend $215 at Gamestop Online, how many games did you buy? (2 pts.)

Looking at your previous answers what are the slopes of each line? A: _ B: C:___

Looking at your previous answers what are the y-intercepts of each line? A: _ B: C:___

The function y = 14x + 20 represents the amount of money, y (in dollars), Josh charges to landscape a lawn
in x hours.

a.) Identify the independent and dependent variables. (2 pts.)

The function y = 14x + 20 represents the amount of money, y (in dollars), Josh charges to landscape a lawn
in x hours.

b.) Josh can take 1, 2 or 3 hours to landscape a lawn. Calculate the range of the function and identify
the domain and range. (2 pts.)

The function y = 14x + 20 represents the amount of money, y (in dollars), Josh charges to landscape a lawn
in x hours.

c.) If it took Josh 2.5 hours to Landscape Mr. Rivera’s lawn, how much will Mr. Rivera pay Josh to do
the job? (2 pts.)

To buy a game at Gamestop Online it cost $50 a game and the cost for shipping is $15 no matter how many
games you buy.

a.) Write an equation in slope-intercept form to represent the situation. (2 pts.)

To buy a game at Gamestop Online it cost $50 a game and the cost for shipping is $15 no matter how many
games you buy.

b.) What does the slope represent in the problem? (2 pts.)

To buy a game at Gamestop Online it cost $50 a game and the cost for shipping is $15 no matter how many
games you buy.

c.) Find the cost for buying 1, 2 and 5 games, fill in the table below. (1 point each)

To buy a game at Gamestop Online it cost $50 a game and the cost for shipping is $15 no matter how many
games you buy.

d.) If you spend $215 at Gamestop Online, how many games did you buy? (2 pts.)