Proportional Relation

Jasmin is baking a cake that calls for 1/4 cup water for every 1/2 cup of flour. How much flour will she need if she uses 1.5 cups of water?

• 4 cups of flour

• 75 cups of flour

• 3 cups of flour

• 25 cups of flour

Does this equation represent a proportional relationship?

• Yes

• No

What is the equation y=kx for the table?

• y=1/3x

• y=3x

• y=5x

• y=1/5x

The cost of 4 pounds of grapes is $24.36. What is the constant of proportionality that relates cost in dollars, y, to the number of pounds of grapes, x?

• 6.09

• 20.36

• 8.12

• 28.36

What is the constant of proportionality based on the table above?

• 1/75

• 75

• 1

• 0

Does this table represent a proportional relationship?

• Yes

• No

Write an equation for this relationship.

• y=1/5x

• y=1/2x

• y=2x

• y=5x

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

• Proportional

• Not Proportional

Which equation matches the graph?

• y = 8x

• y = 1x

• y = 3x

• y = 16x

What is the scale factor?

• 3

• 18/6

• 1/3