Linear Relationships and Slope

If y is the total cost of renting a car and x is the number of days, write an equation to represent the total cost of renting a car.

• y = 19.25

• y = 19.25/x

• y = 19.25x

• y = 19.25 + x

Which company shows a greater rate of change?

• Water's Edge Rafts

• Ryan's Rafts

What is the rate of the purple line (lane 3)?

What is the rate of the blue line (lane 2)?

Shanice jogs at a constant speed. The relationship between her distance and time is shown on the graph. Bao bikes at a constant speed twice as fast as Shanice. What is Bao's speed?

• 10 miles per hour

• .2 miles per hour

• 5 miles per hour

• .6 miles per hour

Tank A is being filled with water. After how many minutes will there be 50 liters in the tank?

• 10 minutes

• 20 minutes

• 8 minutes

• 6 minutes

If 14 cups are stacked, what is the height of the stack?

• 11 cm

• 10 cm

• 8 cm

• 15 cm

Tank A is being filled with water. What is the rate that water is filling the tank?

• 5 liters per minute

• 4 liters per minute

• 10 liters per minute

• 2 liters per minute

Chau buys cheese from the local farmer's market. The graph below shows the cheese cost (in cents) versus its weight (in ounces). What is the slope of the line?

Chau buys cheese from the local farmer's market. The graph below shows the cheese cost (in cents) versus its weight (in ounces). How much does the cost of the cheese increase for each ounce Chau buys?