Proportional Reasoning: Tables, Equations

The following graph is proportional.

• True

• False

Which of the following characteristics is NOT true of proportional relationships.

• The graph goes through the origin.

• The equation is in the form y=mx.

• Ratios in tables are equivalent.

What is the unit rate for the table?

• 11

• 13

How many apples would be on 7 trees?

• 117

• 13

• 0.08

• 91

Which equations are proportional?

• y = 5x - 1

• y = 4x

• y = x + 7

Find the missing value for the proportional relationship, in which the cost in dollars depends on the number of widgets.

• 15

• 20

• 30

• 35

The graph shows how the number of people p seated at an event is related to the number of tables t provided. Write the equation that represents the proportional relationship.

• y = 4x

• x = 4y

• y = 3x

• x = 3y

Kate is reading a book at the rate of 2 pages per minute. The point (3, 6) appears on a graph of that relationship. What does that ordered pair represent?

• Kate can read 3 pages in 6 minutes.

• Kate can read 6 pages in 3 minutes.

Darryl is reading a book at the rate of 6.5 pages per minute. What ordered pair on a graph of his reading rate would represent the number of minutes it would take him to read 130 pages?

• (130, 6.5)

• (6.5, 20)

• (6.5, 130)

• (20, 130)

Tell whether the relationship is a proportional relationship.

• Yes

• No