Unit 12 Quiz 1: Independent/Dependent Variables

What 2 quantities are changing?

• The total price of the items and the % on each item

• The profit made by the store and the total price of all the items

• What is "quantities"?

Which value depends on, or is determined by, the other value?

• The types of items sold

• The store where the items were sold

• The number of shirts sold

• The total profit made by the total price of all the items they sell

Does this graph represent a proportional relationship?

• Yes

• No, because it does not go through the origin

Which equation represents the relationship between the cost of an item, x, and the total cost, y?

• 6x = y

• x/6 = y

• x + 6 = y

• x - 6 = y

The library receives a donation of 6 books per month.

Is this a proportional relationship?

• No, because it does not go through the origin

• Yes

How many books were donated in 6 months?

• 30

• 36

• 33

• 60

What is the Dependent Variable (DV) and

the Independent Variable (IV) in this graph?

• DV - Number of books donated

  IV- Months

• DV - Months

  IV - Number of books donated

• DV - 12

  IV - 2

• DV - Months

  IV - 2

What type of graph is shown?

• Discrete Graph

• Continuous Graph

What type of graph is shown?

• Discrete Graph

• Continuous Graph

How much money was collected for 40 pretzels sold?

• $10

• $20

• $45

• $50