FA: Interpreting Slope & Y-Intercept

A climber is on a hike. After 2 hours he is at an altitude of 400 feet. After 6 hours, he is at an altitude of 700 feet. What is the y-intercept of the scenario?

• Total # of feet hiked.
• Total # of hours hiked.
• # of feet hiked each hour.
• Initial altitude.

Tags

CCSS.8.EE.B.5

In order to join a gym, there is a $125 startup fee and a $45 monthly fee. Interpret the slope of the scenario.

• The startup fee.
• Total amount paid.
• The monthly fee.
• The # of months attending.

Tags

CCSS.HSF.LE.B.5

To start our Upper F hall lemonade stand, we spend $30 on lemonade mix and supplies, and we charge $1.50 for each cup sold.  Interpret the y-intercept of the scenario.

• # of cups sold.
• The price per cup.
• The amount spent on supplies.
• Amount of money earned in profit.

Tags

CCSS.8.EE.B.5

An airplane descending at a rate of 2,000 feet per minute and begins its descent at 30,000 feet above the ground.  What does the slope represent in this scenario?

• The maximum height of the plane.
• The plane's rate of descent.
• The plane's height at the beginning of descent.
• The total time the plane is in the air.

Suppose that the water level of a river is 34 feet and that it is receding 0.5 foot per day. Interpret the y-intercept of the scenario.

• Lowest water level of the river.
• The initial water level.
• The river's receding rate.
• The water level after 10 days.

Tags

CCSS.HSF.LE.B.5

For babysitting, Nicole makes $8.00 an hour and a $20 travel fee.  Interpret the slope of the scenario.

• Total # of hours babysitting.
• Total amount earned babysitting.
• Her babysitting price per hour.
• Her babysitting travel fee.

A car salesman earns $400 a week and 7% commission for each car sold.  Interpret the meaning of the slope.  

• The % of commission for each car sold.
• The guaranteed amount earned from the dealership. 
• # of salesmen at the dealership.
• Total paycheck ($).

At the local grocery store, milk is on sale for $2.50 per gallon.  Interpret the meaning of the y-intercept.

• There isn't a y-intercept.
• The price of milk per gallon.
• The total amount spent.
• # of gallons sold.

Tags

CCSS.HSF.LE.B.5

You are giving away all your clothes so that you can get an entirely new wardrobe.  You have 100 pieces of clothing, and you give each person 5 pieces of clothing.  What does the slope represent?

• # of people you give clothes
• Initial # of pieces of clothing.
• Total # of pieces of clothing you have left.
• The # of pieces of clothing you give each person.  

In order to join a yoga club there is a $100 annual fee and a $5 fee for each class you attend. What is the meaning of the y-intercept?

• The fee per class.
• # of classes attended.
• Annual Fee.
• Total amount spent on yoga.