Finding Constant of Proportionality in Tables

What is the constant of proportionality for the table above?

• 2

• 1/2

• 3

• None of the above

Which of the following is the correct formula for finding the constant of proportionality?

• k = x/y

• k = y/x

• y = k/x

• x = k/y

Which of the tables above represents a proportional relationship?

• a & c

• a, b & c

• a, c & d

• all of them

The constant of proportionality is also the unit rate.

• True

• False

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

• Yes; 1/3

• Yes; 3

• Yes; 5

• No

What is the constant of proportionality?

• $2

• $3

• $4

• $9

What is the constant of proportionality? 

• 45 mph

• 90 mph

• 135 mph

• 2 mph

Ms. Baird recorded her reading for 8 days. Did Ms. Baird read at a proportional rate? If so, name the constant of proportionality.

• Yes, 20

• Yes, 40

• Yes, 16

• No

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

• Proportional

• Not Proportional

Which of these could be a constant of proportionality.

• 2

• 20

• 40

• 80