Reading Graphs Answers

1

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A line graph would be useful for:

A

Displaying information that does not change over time.

B

Displaying data that changes continuously over time.

C

Displaying data that uses parts of a whole.

D

Displaying data that does not represent a trend.

2

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Which story best describes the graph below? a. Sawyer ran from his home to the bus stop and waited. He realized that he had missed the bus so he walked home. c. After a party at Sawyer's friends house he walked slowly all the way home. b. Sawyer was walking slowly along a road from his house to his friends house. He stopped to look at his watch, realized he was late, and then started running. d. Sawyer and his friends left his house to walk to lunch. Sawyer suddenly realized he left his wallet behind. He ran home to get it and then had to run to ctach back up with his friends. Please select the best answer from the choices provided

A

B

C

D

3

Which story best describes the graph below? a. Sawyer ran from his home to the bus stop and waited. He realized that he had missed the bus so he walked home. c. After a party at Sawyer's friends house he walked slowly all the way home. b. Sawyer was walking slowly along a road from his house to his friends house. He stopped to look at his watch, realized he was late, and then started running. d. Sawyer and his friends left his house to walk to lunch. Sawyer suddenly realized he left his wallet behind. He ran home to get it and then had to run to ctach back up with his friends. Please select the best answer from the choices provided

A

B

C

D

4

Identify the graph that displays the altitude of a skydiver as he is taken up in a plane and then jumps. a. c. b. d. Please select the best answer from the choices provided

A

B

C

D

5

Which graph is the most appropriate to use to describe a quantity decreasing at a steady rate? a. c. b. d. Please select the best answer from the choices provided

A

B

C

D

6

Identify the independent and dependent variable of the following graph. Indicate whether the graph rises, falls, or is constant. Net profit of a particular business in relation to time given quarterly.

A

Independent Variable: time, Dependent Variable: net profit Graph falls and then steadily rises

B

Independent Variable: net profit, Dependent Variable: time Graph starts low, rises until it reaches a maximum point and then falls

C

Independent Variable: time, Dependent Variable: net profit Graph starts out rising and starts falling mid-year. At the beginning of 2006 it is at the minimum value and begins rising again before staying at a fairly constant rate for the remainder of the year.

D

Independent Variable: net profit, Dependent Variable: time Graph starts out rising and starts falling mid-year. At the beginning of 2006 it is at the minimum value and begins rising again before staying at a fairly constant rate for the remainder of the year.

7

Interpret, in a written description, what the graph is saying about the relationship between the variables. Hours of daylight per day in relation to time of year

A

The minimum hours of daylight occur mid-year with the maximum hours of daylight occuring in December.

B

The maximum hours of daylight occur in January. The amount of daylight decreases each month until the minimum is reached in December.

C

The minimum hours of daylight occur in December. The amount of daylight decreases each month until the minimum is reached.

D

The minimum hours of daylight occur in January and December. The amount of daylight increases each month until it reaches a maximum mid-year.

8

What does the arrow represent?

A

the ball is hitting the ground for the first time

B

the ball has hit the ground for the third time and is rising

C

the ball has reached the maximum height of the first bounce

D

the ball has been thrown and is traveling towards the ground

9

The graph below shows how the cost of gasoline changes over one month. According to the graph, the cost of gasoline ________ decreases.

A

always

B

sometimes

C

never

10

A plane that carries mail makes a round trip each day from Chicago to New York. It makes 2 intermediate stops on the way to New York and 3 intermediate stops on the way back to Chicago. Suppose you make a graph of the altitude of the plane for one day, with time on the horizontal axis and altitude on the vertical axis. How many times will the graph touch the horizontal axis?

A

5

B

13

C

7

D

8

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