Tables and Graphs Representation

What is the constant of proportionality for the following graph?

• 80

• 20

• 40

• 160

Write the equation for the table given.

• y = 16x

• y=8x

• y=12x

Which graph is proportional?

• A

• B

• None of the graphs

• All of the graphs are proportional

Write an equation that represents the relationship between the weight(x) and the cost(y).

• y = 1/2 x

• y = 1/4 x

• y = 2x

• y = 4x

Is this table proportional?

• yes

• no

• I'm not sure, I need extra help!

The table shows the cost of long distance calls based on the number of minutes used. Is there a constant rate of change, and if so what is it?

• Yes, 10 calls per minute

• Yes, $.10 per minute

• Yes, $.40 per minute

• Not a constant rate

Graph the following proportional relationship.

• 
• 
• 
• 

What equation would represent the table above?

The two lines represent the amount of water, over time, in two tanks that are the same size. Which container has the highest Constant of Proportionality (filling the fastest)?

• Container B

• Container A

• Containers A & B

• Cannot be determined ..not enough information displayed on the graph

The table shows the weights of apples at a grocery store. Complete the table by finding the missing value in Row 3.

• 144

• .12

• 12

• 1.44