Cupcake Fundraiser and Graph Slope

Kacey’s dance team is selling cupcakes for their upcoming competition. The graph models the linear relationship between the number of cupcakes sold and the profit. Which of these best describes the profit Kacey’s dance team makes from selling cupcakes?

• $2 per cupcake

• $1 per cupcake

• $5 per cupcake

• $0.50 per cupcake

Mrs. Harris placed the following graph on her students’ homework. What are the slope and the y-intercept of the function?

• slope = 4; y-intercept = 4

• slope = 1/4; y-intercept = -2

• slope = 4; y-intercept = -2

• slope = 1/4; y-intercept = 4

A bus travels 25 miles in 30 minutes. Which graph has a slope that best represents the number of miles per minute the bus travels?

• Graph A

• Graph B

• Graph C

• Graph D

Carolyn will buy the same number of stamps every month to add to a stamp collection her grandfather gave her. The table shows the number of stamps Carolyn will have at the end of x months. Carolyn's Stamp Collection Number of Months, x | 3 | 6 | 10 | 25 Number of Stamps, y | 350 | 500 | 700 | 950 How many stamps was Carolyn given, and how many stamps will she buy every month?

• Carolyn was given 200 stamps, and she will buy 50 stamps every month.

• Carolyn was given 180 stamps, and she will buy 70 stamps every month.

• Carolyn was given 180 stamps, and she will buy 50 stamps every month.

• Carolyn was given 200 stamps, and she will buy 70 stamps every month.

Lisa planted an oak tree in her back yard. She recorded the height of the tree each month.

How many inches did the tree grow per month?

How tall was the tree when Lisa first planted it?

How tall will the tree be in 2.5 years?