Interpreting Slope and Initial Value

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 

Tags

CCSS.HSF.LE.B.5

The graph shows the number of newspapers delivered and total pay for Leona’ newspaper delivery job.

What does the slope of this graph represent?

• The cost per newspaper

• The total cost of 20 newspapers

• The number of miles Leona travels

• The cost per mile

Tags

CCSS.HSF.IF.B.4

The graph represents the height of a burning candle.  What is the meaning of the y-intercept?

• It takes 10 hours to burn the entire candle

• The candle is getting shorter by one inch per hour.

• The candle is getting taller by one inch per hour.

• The candle started at 10 inches tall.

Tags

CCSS.HSF.LE.B.5

Which of the following situations could be descried by the equation y= -25x + 120

• There are 120 people in the football stadium, and 25 more are entering each hour.

• A plumber charges $25 for a house call and $120 per hour.

• A teacher has 120 students. Her third period has 25 students

• There are 120 gallons of water in a tank. It releases water at a rate of 25 gallons per minute

Tags

CCSS.HSF.LE.B.5

• A
• B
• C
• D

Tags

CCSS.HSF.LE.B.5

• A
• B
• C
• D

Tags

CCSS.8.EE.B.5

• A
• B
• C
• D

Tags

CCSS.8.EE.B.5

What is the meaning of the slope?

• Leona will receive $0.25 per paper delivered.

• Leona will receive $5 per paper delivered

• Leona will receive $2.50 per paper delivered

• Leona will receive $20 for the day

Tags

CCSS.HSF.LE.B.5

Joe tracked the height of his Dalmatian puppy from age 13 weeks to 25 weeks. He graphed the data and determined the line of best fit is y = 1.12x + 28.78. What does the slope represent in this situation?

• The puppy weighed 28.78 pounds at age 13.

• For every week that goes by, the puppy gains 1.12 pounds.

• The puppy gains a pound every 1.12 weeks.

• The puppy weighs 1.12 pounds when it was born.

Tags

CCSS.HSF.LE.B.5

A veterinarian student tracks the weight of a kitten, in ounces, from the age of 0 to 32 weeks. She graphs the data and determines the line of best fit is y hat = 4.03x + 3.27. What does the slope represent in this situation?

• For every week the kitten ages, we predict the kittens weight to increase by 4.03 ounces

• For every week the kitten ages, the kittens weight to increase by 4.03 ounces

• For every ounce the kitten weighs, we predict the kittens age to increase by 4.03 weeks

• The kitten gains 4.03 ounces a week

Tags

CCSS.HSF.LE.B.5