Represent Proportion

• Tomato

• Pepper

• They both grew the same.

Does the table 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

Identify whether the graph represents a  proportional or non-proportional relationship.

• Proportional Relationship

• Non-Proportional Relationship

What does k represent in the equation y = kx?

• independent variable

• constant of proportionality

• dependent variable

• krispy kreme

Is this equation y = 14x showing proportionality?

• yes

• no

The cost, c, of potato salad by its weight in pounds, p, at a deli is given in the table above.  Which equation best models this data.

• c = .29p

• c = 3.5p

• p = .29c

• p = 3.5c

What does a proportional relationship look like on a graph?

• A straight line that passes through the origin, (0,0).

• A line that does not pass through the origin , (0,0).

What is the missing value for x?

• 21

• 27

• 30

• 45

Jasper has a jar of marbles. Complete the table to show the ratios of marbles.

Which box has the correct rations?

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