Constant Proportionality Tables and Graphs

What was Brian's unit rate?

• 3/2 word per minute

• 35 words per minute

• 60 minutes per word

• 30 words per minute

Is the given table a direct variation? If so, what is the constant?

• Yes; 1/4

• Yes; 4

• Yes; 2

• No

What ordered pair does a direct variation always go through when graphed?

• (0, 0)

• (1, 0)

• (0, 1)

• (1, 1)

Which of the following equations shows a proportional relationship?

• y = -7x - 5

• y = 8x + 2

• y = 7x

• y = -x - 6

In the equation y = 14x, what is the constant of proportionality?

• y

• x

• 14

Which statement best describes the relationship between x and y in the table?

• Proportional

• Not Proportional

Determine the missing value in the table.

• 15

• 3

• 1/3

• 9

What is the unit rate for the rain fall?

• 2 cm per hour

• 1 cm per hour

• ¹/₂ cm per hour

• 4 cm per hour

Does this graph represent a proportional relationship?  

• No, because it doesn't pass through the origin.

• Yes, because it doesn't pass through the origin.

• Yes, because it intersects the y axis.

• No, because it intersects the x axis.

Is the given table a proportional relationship? If so, what is the constant of proportionality?

• Yes; 1/3

• Yes; 3

• Yes; 5

• No