Independent and Dependent Variable Math Function

Ms. Shi is making a scrapbook. As she adds more photos, the scrapbook grows thicker.

p = the number of photos added
t = the thickness of the scrapbook

• t is the independent variable and p is the dependent variable

• p is the independent variable and t is the dependent variable

Is this table a function or not a function? 

• Function

• Not a Function

Which graph does NOT pass the vertical line test?

• Graph 1

• Graph 2

• Graph 3

• Graph 4

Determine which is the INDEPENDENT variable: the amount of money earned or the number of lawns you mowed

Is this mapping a function or not a function? 

• Function

• Not a Function 

Select the correct independent and dependent parts of the graph .

(choose 2 answers)

• The dependent variable is total cost

• The dependent variable is weight

• The independent variable is total cost

• The independent variable is the weight of the package

Is this set of ordered pairs a function and how can you tell?

• Yes its a function because no y values repeat

• No it's not a function because there are negative numbers

• No it isn't a function because an x value repeats but has different y values 

• No it isn't a function because an y value repeats but has different x values

• the independent variable is distance
• the independent variable is d=25 t
• the dependent variable is time
• the dependent variable is distance

• The dependent variable is total cost
• The dependent variable is weight
• The independent variable is total cost
• The independent variable is cost of a package

Sarah is bringing treats to her elementary school class on her birthday. The number of treats she brings in is based on the number of students in her class.
t = the number of treats
s = the number of students
Which of the variables is independent?

• s = the number of students

• t = the number of treats