Slope Intercept Form in Context

A swimming pool had a leak. After 2 hours it had 800 gallons in it and then after 6 hours it had gone down to 600 gallons. Which equation represents this situation?

• y = - 50x + 900

• y = - 200x + 900

• y = 200x

• y = 4x

The cost of Nate’s service is described by y = 4x + 6. The table shows the cost of Beth’s service. Find the equation for Beth's service.  Which service is cheaper for 8 movies in one month?

• Beth's service ($38 vs. $40) is cheaper

• Nate’s service ($42 vs. $44) is cheaper

• Nate’s service ($38 vs. $40) is cheaper

• Beth's service ($42 vs. $44) is cheaper

What is the rate of change (slope) to rent a raft from Water's Edge Rafts?

• $6 per hour

• $5 per hour

• $1 for 6 hours

• $1 for 5 hours

Who has the greater rate of change?

• Braden has the greater rate of change with 60/3

• Omar has the greater rate of change with 100

• Braden has the greatest rate of change with 60

• They both have the same rate of change

The equation y=4x+2 represents a ​ ​ (a)   relationships because it contains a ​ (b)  

• non-proportional

• y-intercept that is not 0.

• x-intercept that is not 0.

• slope

• proportional

• non-function

Tags

8.5.H

The table represents a used car salesman's monthly salary including commission made on the sale of cars.  What is the slope and what does it represent?

• The slope is $850/car and it represents the commission per car sold.

• The slope is $425/car and it represents the commission per car sold.

• The slope is $1500 and it represents the monthly salary before commission.

• The slope is $850 and it represents the monthly salary before commission.

To ride in a cab, you have to pay a flat rate plus an additional fee per mile. The equation y=0.75x+2.25 represents this scenario. What do the y-values represent?

• The cost you pay per mile.

• The number of miles you ride in the cab for.

• The total cost of the cab ride.

• You're going to pay $2.25 no matter how many miles you ride in the cab for.

What does the slope show?

• shots each player made

• games per shots

• shots made per game

• greens per game

What does the slope mean in the context of the problem?

• The cost will increase by $1.40 per topping

• The cost will decrease by $1.40 per topping

• The cost will increase by $1.90 per topping

• The cost will decrease by $1.90 per topping 

What does the slop show?

• rides per dollars

• salary per dollars

• dollars per rides

• uber per salary