Independent and Dependent Variables on Tables and Graphs

What rule would explain this input output table?

• The output is 3 times as much as the input.

• The input is 3 times as much as the output.

• The output is 8 times as much as the input.

• The input is 8 times as much as the output.

What is the DEPENDENT variable?

• total cost

• weight

• 0.3

• there isn't one

On a graph, which axis shows the INDEPENDENT variable?

• x-axis

• y-axis

• neither

• it changes

On a graph, which axis shows the DEPENDENT variable?

• x-axis

• y-axis

• neither

• it changes

• The output is:  s+3
• The output is:  s-1
• The output is:  s-3
• The output is: s ÷ 2 
  

Name the DEPENDENT variable from the table below.

• minutes

• bubbles

What is the algebraic equation for this table?

• y = x + 3

• y = 3x

• y = x ÷ 3

• y = x - 3

What is the algebraic equation for this table?

• y = 480x

• x = y/480

• x + 480 = y

• 480 - x = y

What equation represents the relationship between the variables in the table?

• d=10t

• d=t-9

• d=10-t

• d=t+10

Which equation matches the table?

• y = x

• y = 5x

• y = x - 4

• y = x + 4