Interpret Slope and Initial Value

The art club collected $15 per member. The amount of money in the account after dues were collected from 17 members was $300. Assume the relationship is linear. Find and interpret the initial value.

• The art club had $45 to begin with.

• The art club makes $45 per member.

• The art club has $300 to start with.

Before a movie began, a theater had people waiting in the seats. During each of 4 movie trailers, 7 more people came into the theater. When the movie started 82 people were in the theater. Assume the relationship is linear. Find and interpret the initial value.

• There were 4 movie trailers.

• The theater had 7 people to start with

• The theater had 54 people to start with.

• The theater had 75 people to start with.

The population of DeSoto rose an average of 142 people per year. After 5 years, the population was 5,428 people. Assume the relationship is linear. Find and interpret the rate of change and the initial value.

• ROC: The population DECREASED by 142 people per year.

  Initial value: There were 5,248 people in the town to start with.

• ROC: The population INCREASED by 142 people per year.

  Initial value: There were 4,718 people in the town to start with.

• ROC: The population INCREASED by 142 people per year.

  Initial value: There were 5, 428 people in the town to start with.

Which equation best represents the relationship between x and y in the table shown?

• y= 5x+5

• y=1/5x+5

• y=15x+5

• y=10x+5

• A
• B
• C
• D

• A
• B
• C
• D

What is the meaning of the slope?

• You will receive $4 per paper delivered.

• You will receive $5 per paper delivered

• You will receive $20 per paper delivered

• You will receive $20 for the day

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 hat= 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.

What is the meaning of the rate of change? (what does the change in y/change in x mean- look at the labels)

• The total newspapers delivered

• the cost per newspaper delivered

• the fee paid for newspapers delivered

• the difference between the flat fee and the cost per newspaper delivered

• A
• B
• C
• D