Independent and Dependent Variables

In order to earn extra spending money, Dalton babysits children after school. The greater the number of hours he babysits, the more money he earns.
h = the number of hours Dalton babysits
m = the amount of money Dalton earns
Which of the variables is dependent?

• h

• m

What algebraic equation shows the relationship between the independent and dependent variables?

• y = ax

• y = x + 12

• y = -3x

• y = 

What are the independent quantities in the table?

• {5,6,7,8,9}

• {0,1,2,3,4}

• x

• y

Which equation matches the table?

• y = x + 5

• y = 5x

• y = x - 5

• x = y - 5

Which equation matches the table?

• y = x 

• y = 5x

• y = x - 4

• y = x + 4

What are the dependent quantities from the table?

• {-3, -2, -1, 0, 1, 2, 3}

• {9, 6, 3, 0, -3, -6, -9}

• x

• y

Your independent variable is graphed on which axis?

• x-axis

• y-axis

• origin

The dependent variable is the quantity that depends on the other variable. On a graph, the independent variable is usually shown on the horizontal axis and the dependent variable on the vertical axis

• False

• True

The graph shows the relationship between the number of tickets Lisa is ordering for a raffle and the cost. Which is correct about the graph?

• The Independent variable (x) is the number of tickets bought.

• The relationship between the two variables is multiplicative

Which table below matches the scenario?

Parking at the airport costs $7 per day. Independent variable, x, is the number of days a vehicle is parked; dependent variable, y, is the total cost for parking

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