Dependent Variables Worksheet
Explore dependent variables in algebraic expressions and real-world scenarios for Grade 9 math students.
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Dependent Variables
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Read each question carefully and identify the dependent variable. Show your work where applicable.
1. In the equation y = 3x + 2, which variable is the dependent variable?
x
y
3
2
2. The amount of money earned (E) depends on the number of hours worked (H). Which is the dependent variable?
E
H
Both E and H
Neither E nor H
3. In a relationship where one variable changes in response to another, the variable that changes is called the variable.
4. If the cost of a taxi ride (C) is calculated by a base fare plus a charge per mile (m), then C is the variable.
5. Identify the dependent variable in the following scenario: The temperature (T) of a room affects how quickly ice cream melts (M).
6. Write an equation where 'd' is the dependent variable and 't' is the independent variable. Explain your choice.
7. The independent variable is the one that is measured or observed.
True
False
8. In the function f(x) = x^2, f(x) is the dependent variable.
True
False
9. Plot the points for the equation y = 2x - 1 on the coordinate plane below. Label the axes.