Proportionality

Which best describes the graph represented in this table?

•  proportional
• non-proportional

A graph is proportional if...

• It is straight

• It passes through the origin

• Its straight and it passes through the origin

Does this graph show a proportional relationship?

• Yes, because it is straight

• Yes, because it goes through the origin

• Yes, because it is straight and goes through the origin

• No, it is not

Does this graph show a proportional relationship?

• Yes, because it is a straight line

• Yes, because it goes through the origin

• Yes, because it is a straight line and goes through the origin

• No, it is not

What is the equation for the following proportional table?

• x = 12y

• y = 1/12 x

• y = 12x

• x = 1/12 y

What is the constant of proportionality for the following table?

• k = 2/3

• k = 3

• k = 2

• k = 3/2

What is the constant of proportionality for the following graph?

• 100

• 10

• 1/10

What is the unit rate for the following graph?

• 1/3

• 1

• 3

• 6

Which proportional relationship has a greater constant of proportionality?

• A

• B

• The are the same

• There is not enough information provided

What is the constant of proportionality?

• $3
• $4
• $2
• $9