Proportional Relation

Why does this graph show a non-proportional relationship?

• Because it is proportional

• It goes through the origin

• It does not go through the origin

• It is a straight line

Does the table represent a proportional relationship?

• Yes.

• No.

Q1. How much does it cost?

• 1) 8 cents

• A) 50 cents

• 2) 40 cents

• 3) 45 cents

Write an equation for this relationship.

• y=1/5x

• y=1/2x

• y=2x

• y=5x

What is the unit rate in this proportional relationship?

• 60 miles/1 hour

• 120 miles/ 2 hours

• 1 mile/ 1 hour

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

• Proportional

• Not Proportional

The cost of 4 pounds of grapes is $24.36. What is the constant of proportionality the 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 (in miles per hour) based on the table?

• 45

• 90

• 135

• 2

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