Independent and Dependent Variables

Caroline earns $15.00 per hour at her job. Which answer choice is an equation that correctly represents the total amount of money, m, that Caroline earns after working for a certain number of hours, h?

• m=15h

• h=15m

• m=15 +h

• h= 15 +m

Caroline saves $20.00 each week from her paycheck. Which answer choice is an equation that correctly represents the total amount of money, s, that Caroline saves after a certain number of weeks, w?

• s=20w

• w=20s

• s=20 +w

• w= 20 +s

The relationship between x and y can be represented by the equation y = 8x. Which variable represents the independent variable?

• The x value

• The y value

• 3

The relationship between x and y can be represented by the equation y = 8x. Which variable represents the dependent variable?

• The x value

• The y value

• 3

The relationship between x and y in the table below can be represented by the equation y = 8x. What represents the coefficient?

• The x value

• The y value

• 3

The relationship between x and y in the table below can be represented by the equation y = 5x. What is the value of y when x = 4?

• 20

• 8

• 5

• 10

If the relationship between x and y is given by the equation y = 5x, what is the value of y when x = 8?

• 40

• 13

• 5

• 20

The relationship between a and b in the table below can be represented by the equation b = 5a. What is the value of b when a = 6?

• 5

• 11

• 30

• 15

If the relationship between x and y is given by the equation y = 5x, what is the value of y when x = 7?

• 12

• 35

• 25

• 30

The relationship between x and y in the table below can be represented by the equation y = 10x. Identify the independent and dependent variable.

• x is the independent variable and y is the dependent variable

• y is the independent variable and x is the dependent variable

• Both x and y are independent variables

• Both x and y are dependent variables