Identifying Variables Worksheet
A Grade 7 math worksheet focused on identifying independent and dependent variables in various algebraic contexts.
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Identifying Variables
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Read each question carefully and identify the independent and dependent variables. If there are other variables, identify them as well.
1. In the equation y = 3x + 5, 'x' is the variable and 'y' is the variable.
2. A variable whose value changes in response to another variable is called a variable.
3. A variable that is controlled or changed by the experimenter is called an variable.
1. Sarah is selling lemonade. The number of lemons she uses depends on the number of cups of lemonade she wants to make. Identify the independent and dependent variables.
Independent Variable:
Dependent Variable:
2. The temperature outside affects how many layers of clothing you wear. Identify the independent and dependent variables.
Independent Variable:
Dependent Variable:
1. In the statement, 'The amount of gas in your car's tank determines how far you can drive,' which is the independent variable?
The car
The amount of gas
How far you can drive
The road
2. In the equation A = l × w, if 'l' is the length and 'w' is the width, and 'A' is the area, which variable is dependent?
l
w
A
Both l and w
1. An independent variable is always the 'cause' in a cause-and-effect relationship.
True
False
2. In the expression 5x + 2, 'x' is a constant.
True
False
1. Write a scenario where the number of hours studied (h) is the independent variable and the test score (s) is the dependent variable.
2. A plant's growth (g) depends on the amount of water (w) it receives. Draw a simple diagram to represent this relationship, labeling the independent and dependent variables.
Explain your diagram: