Comparing Tables, Equations and Graphs Proportion

Nancy can type 50 words per minute. Look at the table below to write an equation that matches the data.

• m=50 + w

• w= 50m

• w= 50 + m

• m= 50 - w

Which equation matches the table?

• y = 3x + 9

• y = x + 9 

• y = x + 3

• y = 12x - 3

Which equation matches the description if x is the number of minutes and y is the total cost.

• y = 1.20

• y= 1.20x

• x = 1.20

• x = 1.20y

Which is the graph of y= -x + 2?

• A

• B

• C

• D

Tracy is saving each month for new tires for her car. She plans to save $60 each month. Which table shows the amount Tracey has saved over the last several months?

• A

• B

• C

• D

Which graph matches the table?

• A

• B

• C

• D

What does the point (2, 94) represent in this situation?

• Every week, they earn $94.

• After 94 weeks, they save $2.

• After 1 week, they save $47.

• After 2 weeks, they save $94.

Write the equation.

• y = 4x + 3

• y = 4x -3

• y = 3x + 4

• y = 8x + 2

What is the constant of Proportionality for this table?

• 1/9

• 9

• 8

What is the constant of proportionality (in miles per hour) based on the table?

• 45

• 90

• 135

• 2