Does It Form a Proportion

If you graph this data set, will the graph show a proportion? How can you tell by looking at the graph?

• It will be a straight line through (0, 0) - this is a proportion

• It will not be a straight line but will go through the origin - not a proportion

• It will be a straight line but not through the origin - not a proportion

Write an equation for this proportional relationship in y = kx form. Use meaningful letters to represent the variables.

• s=1/3a

• s=3a

• a=1/3s

• a=3s

Write an equation for this proportional relationship in y = kx form. Use meaningful letters to represent the variables.

• y=3x

• y=1/3x

• c=3p

• c=1/3p

Write an equation for this proportional relationship in y = kx form. Use meaningful letters to represent the variables.

• y=5/6x

• y=1.2x

• b=5/6g

• b=1.2g

Do the ratios form a proportion?

• Yes, they form a proportion.

• No, they do not form a proportion.

Does the table represent a proportional relationship?

• Yes.

• No.

Solve the proportion.

• k=5

• k=3.3333333

• k=60

• k=90

Does the table represent a proportional relationship?

• Yes.

• No.

• Yes, they form a proportion.

• No, they do not form a proportion.

Does the table represent a proportional relationship?

• Yes.

• No.