Unit 4 lesson 7 questions

1. Identify the constant of proportionality from the graph.

(1 point)

1/2

2/3

3/2

2

2. What is the average number of heartbeats per second?

(1 point)

1 1/2 beats per second

3 beats per second

2/3 beat per second

2 beats per second

3. Decide which graph shows a proportional relationship.

(1 point)

C

D

A << my answer

B

4. Identify the proportional relationship from the graph.

(1 point)

Graph C

Graph D

Graph B

Graph A

5. Use the table to answer the question.

Time walking (minutes)

Calories burned

20 30

100

40

60

80

400

300

200

150

The table shows a relationship between the amount of time spent walking and the number of calories burned. Determine if the relationship is proportional.

(1 point)

The relationship is proportional
The relationship is non-proportional; the graph does not pass through the origin
The relationship is non-proportional; the graph would be an arc
The proportional relationship cannot be determined from the information provided. Unfortunately I'm unable to put photos of the graphs here so sorry for the inconvenience 😔

1 answer

Based on the given table, we cannot determine if the relationship is proportional or not.
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