Functions and Linear Relationship Vocabulary Word Quiz

Which equation shows the number of bottles left after x days?
A family buys a case of water with 48 bottles and drinks 5 bottles per day.

• y = 48x + 5

• y = -5 + 48x

• y = -5x - 48

• y = 48 - 5x

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

A plant is 5cm tall and growing at a rate of 3cm a month.

• y = 5 + 3

• y = 5x + 3

• y = 3x + 5

• y = 3x + 5x

The total cost (y) at an amusement park can be modeled by y=1.5x+20 where x is the number of rides you ride. What is the price per ride?

• 1.5

• 21.5

• 0

• 20

• A

• B

• C

• D

• 
• 
• 
• 

• A

• B

• C

• D

• A

• B

• C

• D

• c = 0.50m + 30

• c = 0.10m + 30

• c = 0.30m + 0.10

• c = 30m + 0.50

• A

• B

• C

• D