Independent vs Dependent Variable Math

Yardena is planning her wedding. The number of announcements she orders is determined by the number of guests she wants to invite. The number of announcements is the......

• independent variable

• dependent variable

Carson is selling lemonade. The number of cups of lemonade he sells determines how much money he earns. The independent variable is....

• the number of cups of lemonade Carson sells

• the amount of money Carson earns

The number of students in a class, s, and the number of desks needed, d

The independent variable is....

• s

• d

The number of candles on a birthday cake, c, and that person's age, a

The independent variable is...

• c

• a

​ ​ The variable that is NOT affected is called the ​ ​ (a)   and the variable that is affected is called the ​ ​ ​ (b)  

• Independent Variable

• Dependent Variable

Match the following using the given graph of a two-variable equation.

• Time in seconds

• Time it takes to reach a velocity of 20 m/s

• y = 4x

• Equation

• 8 m/s

• Dependent Variable x

• 5 seconds

• Independent Variable y

• Velocity in m/s

• Velocity after 2 minutes

In the equation y = 2x - 4, what is the dependent variable?

• 2x

• x

• -4

• y

What is the dependent variable in the equation y = 3x - 2?

• y

• x

• -2

• 3x

Which is the dependent variable?

• x

• y

• -1/2

• 4

Which is the dependent variable?

• x

• y

• -1/2

• 4