Unit 2 Assessment: Introducing Proportional Relationships

Does this graph represent a proportional relationship?

• No, it is not a straight line.

• Yes, it is a line that goes through the origin.

• Yes, it is a straight line.

• No, it is a straight line that goes through the origin.

Does this graph represent a proportional relationship?

• Yes, it is straight and goes through the origin.

• Yes, it is straight and does not go through the origin.

• No, it is straight and goes through the origin.

• No, it is a straight line, but it does not go through the origin.

Does this graph represent a proportional relationship?

• Yes, it is a straight line and goes through the origin.

• Yes, it is a line that does not go through the origin.

• No, it is not a straight line.

• No, it is a straight line and does not go through the origin.

Does this graph represent a proportional relationship?

• Yes, it is a straight line.

• Yes, it is a straight line and goes through the origin.

• No, it is a straight line but does not go through the origin.

• No, It is a straight line that formed a triangle.

The graph shows the cost C in dollars of w pounds of blueberries, a proportional relationship. Select all the true statements.

• 1 pound of blueberries costs $2.75.

• 2.75 pounds of blueberries cost $1.

• 5 pounds of blueberries cost $15.50.

• 12 pounds of blueberries cost $33.

• The point (3,9) is on the graph of the proportional relationship.

Andre rode his bike at a constant speed. He rode 1 mile in 5 minutes.

Which of these equations represents the amount of time (in minutes) that it takes him to ride a distance of miles?

• t = 5d

• t = 1/5d

• t = d + 4

• t = d - 4

The two lines represent the amount of water, over time, in two tanks that are the same size. Which container is filling more quickly?

• Container A because the line is longer.

• Container A because its graph is steeper.

• Container B because its graph is steeper

• Container B because it is closer to the x axis.

The table shows the weights of apples at a grocery store. If this represents a proportional relationship, what is the constant of proportionality?

• 1.2

• 8.3

• 0.12

• 1.44

The table shows the weights of apples at a grocery store. If this represents a proportional relationship, what is the weight of 2 apples in kg? (The top right box).

• 0.24

• 8.3

• 0.12

• 1.66

The table shows the weights of apples at a grocery store. If this represents a proportional relationship, what is the weight of 12 apples in kg? (The bottom right box).

• 16.6

• 8.3

• 0.12

• 1.44