Slope and Proportional Relationships Review

Which equation represents the line shown on the coordinate grid?

• y = 2/3x - 4

• y = 2/3x + 4

• y = -2/3x -4

• y = -2/3x + 4

Mr. Hetrick and Mr. Otherguy both teach video game lessons. The graph and the table show information about their prices. Which sentence correctly compares the rates of their prices?

• Mr. Hetrick charges 100 dollars more an hour than Mr. Otherguy

• Mr. Hetrick charges 50 dollars more an hour than Mr. Otherguy

• Mr. Hetrick charges 50 dollars less an hour than Mr. Otherguy

• Mr. Hetrick charges 100 dollars less an hour than Mr. Otherguy

The slope of the line that passes through the points

(5,8) and (13,3)

is

• 5/8

• -5/8

• 8/5

• -8/5

The picture shows the price of a cell phone plan. Which of the following represents the meaning of the slope in this situation?

• The cell phone plan costs 200 dollars a month

• The cell phone plan has an initial fee of 200 dollars

• The cell phone plan costs 50 dollars a month

• The cell phone plan has an initial fee of 50 dollars

The picture shows the price of a cell phone plan. Which of the following represents the meaning of the y-itercept in this situation?

• The cell phone plan costs 200 dollars a month

• The cell phone plan has an initial fee of 200 dollars

• The cell phone plan costs 50 dollars a month

• The cell phone plan has an initial fee of 50 dollars

Find the slope (rise/run) of the line shown.

Find the slope (rise/run) of the line shown.

Find the slope (rise/run) of the line shown.

Find the slope (rise/run) of the line shown.

Use the two points to find slope (rise/run!).