Tables, Equations, and Graphs

What are the independent quantities in the table?

• {5,6,7,8,9}

• {0,1,2,3,4}

• x

• y

What are the dependent quantities from the table?

• {-3, -2, -1, 0, 1, 2, 3}

• {9, 6, 3, 0, -3, -6, -9}

• x

• y

Does the following table represent a proportional relationship? If so identify the constant of proportional and create an equation to represent it.

• Proportional; k = 1/40 pages per day; y=1/40x

• Proportional; k = 40 pages per day; y=40x

• Not Proportional

• Proportional; k = 40 days per pages; y=40x

Does the following table represent a proportional relationship? If so, identify the constant of proportionality and create an equation to represent it.

• Proportional; k=8; y=8x

• Not Proportional

• Proportional; k = -8; y=-8x

• Proportional; k=1/8; y=1/8x

What makes a graph proportional?

• It is a straight line.

• It goes through the origin.

• It does not go through the origin.

• If it goes down instead of up.

What is the unit rate for the table?

• $1 / 3 watermelon

• $3 / 1 watermelon

• 1/3 watermelon / pound

• $0.33 / 1 watermelon

What is a way I can tell if a table is proportional?

• It goes through the origin

• The line goes up.

• You can't.

Is this table proportional?

• Yes

• No

Which graph is non-proportional?

• A

• B

• C

• D

Is this graph proportional?

• Yes

• No