Rates, Ratios, Proportions, Graphs, Equations, Tables

What is the missing number in the ratio table?

• 72

• 85

• 76

• 90

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

What is the constant of proportionality for the table above?

• 2

• 1/2

• 3

• None of the above

What is the constant of proportionality of the graph above?

• 0

• 1/6

• 60

• 10

A booth at the State Fair recorded the number of items sold in the chart. What is the ratio of lemonade and sodas sold to the number of candy bars sold?

• 7:6

• 6:7

• 4:3

• 3:7

Determine whether each pair of ratios forms a proportion

• Proportion

• Not a Proportion

• $8

• $16

• $24

• $32

• 14 and 27

• 14 and 24

• 14 and 21

• 14 and 32

• 360

• 380

• 400

• 420

Solve the proportion.

• n=6

• n=24

• n=7

• n=8