Linear Representations / Proportionality Vocabulary Worksheet

Which of the following linear equations best represents the graph shown?

• y = 10x - 2

• y = -2x + 10

• y = 2x + 10

What is the equation for the table?

• y = 4x - 3

• y = -3x - 3 

• y = -2x - 3 

Which table corresponds to the equation?

• 
• 
• 
• 

Which equation represents the table?

• 
• 
• 
• 

Which equation matches the graph? 

• y = 3x 

• y = x + 3

• y = ⅓x

• y = x - 3

Here is a graph of a line showing the amount of money paid for a new cell phone and monthly plan. What does the slope mean in this situation?

• The initial cost of the cell phone was $200.

• The initial cost of the cell phone was $300.

• The monthly plan costs $50 per month.

• The monthly plan costs $100 per month.

Here is a graph of a line showing the amount of money paid for a new cell phone and monthly plan. What does the y-intercept mean in this situation?

• The initial cost of the cell phone was $200.

• The initial cost of the cell phone was $300.

• The monthly plan costs $50 per month.

• The monthly plan costs $100 per month.

What is the equation for the line of the graph?

What is the equation of the graph?

• x=5

• y=5

• y=5x+5

• y=5+x

How do I find the constant of proportionality?

• k = x/y

• k = 2x

• k = y/x

• k = 2y