Two-variable Equations

The table shows the ounces of water,y, need to for x number of servings.

Based on the information in the table, which equation can be used to model the relationship between x and y?

• y = 2x

• y = x + 2

• y = 18x

• y = x + 18

Tags

CCSS.6.EE.B.6

CCSS.6.EE.B.7

CCSS.6.EE.C.9

Which of these equations represent the table above if the number of tickets represents x and the total cost represents y?

• y=2x
• y=54x
• y=27x
• y=x

Tags

CCSS.6.EE.B.6

CCSS.6.EE.C.9

CCSS.6.RP.A.2

CCSS.6.RP.A.3

What is the algebraic equation for this table?

• y = x + 3
• y = 3x
• y = x ÷ 3
• y = x - 3

Tags

CCSS.6.EE.C.9

The graph shows the total money earned at a fundraising car wash. Which equation can be used to find the total earned y for the number of cars washed x?

• y = x + 5

• y = x/5

• y = x - 5

• y = 5x

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

CCSS.6.EE.C.9

Which equation matches the table?

• y = x + 5
• y = 5x
• y = x - 5
• x = y - 5

Tags

CCSS.6.EE.B.5

CCSS.6.EE.C.9

On a graph, which axis shows the independent variable?

• x-axis
• y-axis
• neither
• it changes

Tags

CCSS.6.EE.C.9

On a graph, which axis shows the dependent variable?

• x-axis
• y-axis
• neither
• it changes

Tags

CCSS.6.EE.C.9

Name the INDEPENDENT variable from the table below.

• words
• minutes

Tags

CCSS.6.EE.B.6

CCSS.6.EE.C.9

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

Tags

CCSS.6.EE.C.9

Sarah is participating in a walkathon to raise money for local literacy programs. The amount of money Sarah will raise depends on the distance she walks.

m = the amount of money Sarah will raise

d = the distance Sarah walks

Which of the variables is dependent?

• m

• d

Tags

CCSS.6.EE.C.9