Math Chapter 9 Review #1

The x- axis is the ___________________ number line in the coordinate plane. This is the location of the ________ variable.

• vertical, dependent

• horizontal, independent

• vertical, independent

• horizontal, dependent

The y- axis is the _______ number line in the coordinate plane. This is where _____ variable is located.

• vertical, dependent

• horizontal, dependent

• vertical, independent

• horizontal, independent

Which variable depends on or is changed by another variable?

• independent

• controlled

• dependent

What is true about the the independent variable?

• It is the amount that depends on another amount.

• It is the amount that can stand on its own.

• It is the variable that does not change.

Name the INDEPENDENT variable from the table below.

• Minutes

• Words

What does Bubbles is the data table represent?

• independent variable

• dependent variable

Bella 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 variable?

• s

• t

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

m = money

A = A on report card

The DEPENDENT variable is:

• m

• a

Jimmy earned $8 for every pizza he delivers.

m = money (dollars)

p = number of pizzas delivered

The dependent variable is:

• m

• p

Emma gets one sticker for every paper she completes.

s = stickers earned

p = papers completed

The independent variable is:

• s

• p