20-Week Test Review Lab

• 0.025

• 0.120

• 0.125

• 0.135

Which expression is equivalent to  6x - 3 - 4x + 6?

• 2x + 9

• 2x + 3

• 10x + 9

• 10x + 3

The table below shows a proportional relationship between x and y. What is the constant of proportional for the relationship between x and y? 

• 0.2

• 0.4

• 2.5

• 5.2

The graph below shows the relationship between the distance a train travels and the amount of time it takes to travel that distance.  What point on the graph represents the unit rate?

• (0, 0)

• (1, 60)

• (60, 1)

• (3, 160)

Jon goes bowling.

• He has $36.47 to spend.

• He spends $2.25 to rent shoes.

• He spends $3.50 for each game he bowls.

Which inequality can Jon use to determine x, the greatest number of games he can bowl? 

Nathan buys eggs and potatoes at a store. 

 ·        He pays a total of $24.77.

·        He pays $3.52 for the eggs.

·        He buys 5 bags of potatoes that each cost the same amount.

 Which equation can be used to determine the cost, x, of each bag of potatoes?

• x=24.77 ÷ 5 - 3.52

• x=(24.77 - 3.52) ÷ 5

• x=24.77 ÷ 5 + 3.52

• x=(24.77 + 3.52) ÷ 5

Altitude above sea level is given in positive values and below sea level is given in negative values. Which situation describes a hiker in Death Valley stopping at an altitude of 0 feet? 

• The hiker starts at -22 feet then decreases altitude by 22 feet.

• The hiker starts at 0 feet then decreases altitude by 22 feet.

• The hiker starts at -22 feet then increases altitude by 22 feet.

• The hiker starts at 22 feet then increases altitude by 22 feet.