Understanding Rate of Change and Slope

What is the rate of change primarily described as in algebra?

• A ratio comparing two things

• A type of equation

• A geometric shape

• A comparison of three or more things

In the example with red and green blocks, if you have 6 red blocks, how many green blocks would you have?

• 6 green blocks

• 10 green blocks

• 8 green blocks

• 12 green blocks

If one World of Warcraft game costs $40, how much would three games cost?

• $80

• $100

• $120

• $160

What does the variable 'X' represent in the algebraic expression for the cost of World of Warcraft games?

• The total cost

• The number of games

• The discount rate

• The price per game

How do you calculate the rate of change in an algebraic expression?

• By dividing the change in X by the change in Y

• By multiplying the change in Y by the change in X

• By adding the change in Y to the change in X

• By dividing the change in Y by the change in X