Dependent and Independent Variable Math

You are doing chores to earn your allowance. For each chore you do, you earn $3. In the equation below, c is the number of chores you do, and d is the number of dollars you earn. The relationship between these two variables can be expressed by the following equation: d=3c Which of the following is the independent variable?

• The number of chores you do

• The amount of dollars you earn

In the table, Bubbles is the ______________.

• independent variable

• dependent variable

You are walking directly away from your house. You are 5 miles away from your house when you start walking, so you can determine your distance from your house by adding 5 to the number of miles you have walked. In the equation below, x represents the number of miles you have walked, and y represents your distance from home in miles.

The relationship between these two variables can be expressed by the following equation:

y=x+5

Which is the independent variable?

• Your distance from home

• number of miles you walked

Name the INDEPENDENT variable from the table below.

• words

• minutes

The dependent variable is:

• m = money

• A = A on report card

Dilcia wants to know how drinking milk affects how tall Monica grows. Which is the independent variable?

• Monica's growth

• drinking milk

The time spent working is the independent quantity.

• True

• False

Which label best describes the dependent quantities shown in the table?

• Number of tickets (t)

• Cost (c)

Research question: does the distance a person kicks a soccer ball effect how well they will do on their math test.  What is the dependent variable?

• How far they kick the soccer ball

• who the person is

• how well they do on the math test

• Type of soccer ball.

The independent quantities are represented by these values: 0.15, 0.25, 0.5, and 1.0                         

• True

• False