Independent and Dependent Variables Graphs

Rolando’s backpack weighs 2.5 pounds when it is empty. The total weight in pounds, y, of Rolando’s backpack when it contains x pounds of books is represented by the equation

y = x + 2.5. Which table best represents this situation?

• A

• B

• C

• D

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

The table shows the relationship between d, the amount of money Elena has at the beginning of the day, and b, the amount of money she has after buying lunch. Which equation represents the relationship in the table?

• b = d - 3.75

• d = 2b

• d = b +1.25

• b = d + 3.75

Tags

CCSS.6.EE.C.9

The graph shows the number of points y, a player earns in a video game based on the number of diamonds the player collects, x.

Which equation best represents the relationship between x and y?

• x = y + 75

• y = x + 75

• y = 75x

• x = 75y

Tags

CCSS.8.EE.B.5

The table below shows the relationship between x and y. What equation represents the same relationship?

• y = 4x

• y = x - 9

• y = ¹/4 x

• y = x + 9

Tags

CCSS.6.EE.C.9

What are the dependent quantities represented in this table?

• 0, 2, 4, 6, 8, 10, 12, 14, 16

• 1, 2, 3, 4, 5, 6, 7, 8

• 2, 3, 4, 5

• 6, 9, 12, 15

Tags

CCSS.5.OA.B.3

Your independent variable is graphed on which axis?

• x-axis

• y-axis

• origin

Tags

CCSS.6.EE.C.9

What is a dependent variable?

• A number sentence without an equal sign.

• The variable that determines the independent variable's value.

• The number before the co-efficient.

• The variable that is determined by the independent variable.

Tags

CCSS.6.EE.C.9

In a line graph, the dependent variable is plotted on the _____

• x-axis

• y-axis

In a line graph, the independent variable is plotted on the _________ axis.

• horizontal

• vertical

• curved

• changing

A variable that changes and affects the measure of another variable is called the ____________ variable.

• independent variable

• dependent variable

• control

• constant