independent and Dependent Variables

Independent and Dependent Variables

By Mr. Lambert

Copy these notes on a paper EXACTLY as you see them.

​

Use them on your work for this WHOLE week. ​

Notes

Y - Dependent

• The Y value is the dependent value.  

• This is the value that is being changed Make the statement Y depends upon X

• Careful, the Y comes first in this statement.

X - Independent

• The X value is the independent value.  

• This is the category that influences the other.

• Example: any category with time like minutes, hours, days, weeks, …. is independent

Multiple Choice

Independent means

• an amount that can stand on its own

• an amount that depends on another amount

Multiple Choice

On a graph, which axis shows the dependent variable?

• x-axis

• y-axis

• neither

• it changes

Multiple Choice

On a graph, which axis shows the independent variable?

• x-axis

• y-axis

• neither

• it changes

Multiple Choice

True of False - The independent variable is responsive to the dependent variable.

• True

• False

Multiple Choice

True of False

The dependent variable is responsive to the independent variable.

• True

• False

Multiple Choice

Name the INDEPENDENT variable from the table below.

• words

• minutes

Multiple Choice

In the table, Bubbles is the ______________.

• independent variable

• dependent variable

Multiple Choice

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

• Number of tickets (t)

• Cost (c)

Multiple Choice

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

• Number of tickets (t)

• Cost (c)

Multiple Choice

If I drink a lot of water then I will have to go to the bathroom.

What is the red part?

• Independent variable

• dependent variable

Multiple Choice

If I drink a lot of water then I will have to go to the bathroom.

What is the red part?

• independent variable

• dependent variable

Multiple Choice

Emma gets one sticker for every paper she completes.

s = stickers earned

p = papers completed

The independent variable is:

• s = stickers earned

• p = papers completed

Multiple Choice

Sophie earned $5 for every A she got on her report card.

m = money

A = A on report card

The dependent variable is:

• m = money

• A = A on report card

Multiple Choice

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

• t

Multiple Choice

Grace is bringing treats to her Algebra 1 class on her birthday. The number of treats she brings is based on the number of students in her class.

Which of the variables is independent?

• number of students

• number of treats