Independent and Dependent Variable Equations

What is the equation for a multiplicative relationships.

• y = ax

• y = a +x

• neither letters aren't used in math.

The x- axis is the ___________________ part of a graph

• Vertical (up and down)

• Diagonal

• Bottom

In the equation m = 5 r + 4, which of the following represents the dependent variable?

• r

• 5

• m

• 4

• the independent variable is distance
• the independent variable is d=25 t
• the dependent variable is time
• the dependent variable is distance

• The dependent variable is total cost
• The dependent variable is weight
• The independent variable is total cost
• The independent variable is cost of a package

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

What makes up an ordered pair?

• Two random numbers
• An x-value and a y-value
• Two pears
• Two lines

Which of the following does NOT show an additive relationship?

• y= 2.5x + 3

• c= 5d + 2.5

• d = 1/3x + 4

• y= 1/2x

Name the INDEPENDENT variable from the table below.

• words
• minutes