Dependent and Independent Variable in Number Form

The variable that is graphed on the y-axis is the ________________

• Independent Variable

• Dependent Variable

• Constant

• Hedgehog

a variable whose value depends upon the independent variable

• independent variable

• dependent variable

• input

• y-intercept

a variable that is independent of the other variables in an expression or function and whose value determines one or more of the values of the other variables

• independent variable

• dependent variable

• output

• coefficient

Name the INDEPENDENT variable from the table below.

• words

• minutes

A phone company charges a base rate of $40 a month for service. The user is charged $0.20 a minute for every minute used. The total amount charge to the customer, p, for any number of minutes, m, can be represented by the function
p = .2m + 40.
What is the dependent variable?

• The # of minutes used

• The base rate of $40

• The total amount charged to the customer

• The $0.20 per minute

Which is the dependent variable?

• x

• y

• -1/2

• 4

Name the DEPENDENT variable from the table below.

• minutes

• bubbles

Which equation matches the table?

• y = 3x + 9

• y = x + 9 

• y = x + 3

• y = 12x - 3

A variable that does not depend on any other variable for its value. For example, in an expression, 2y = 9x + 1, x is an independent variable. So, for each value of x, there will be a different value of y.

• Variable

• Dependent Variable

• Independent Variable

• Value

Another name for the output of a function that depends on what you put into the function

• Dependent variable

• Independent variable

• Interpolation

• Extrapolation