# What is an example of an independent variable in math?

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## What is an example of an independent variable in math?

An independent variable is a variable that does not depend on any other variable for its value. For example, in an expression, 2y = 9x + 1, x is an independent variable. So, for each value of x, there will be a different value of y.

## How are independent and dependent variables different in math?

An independent variable is a variable that represents a quantity that is being manipulated in an experiment. A dependent variable represents a quantity whose value depends on those manipulations.

What is independent variable and examples?

It is a variable that stands alone and isn’t changed by the other variables you are trying to measure. For example, someone’s age might be an independent variable. Other factors (such as what they eat, how much they go to school, how much television they watch) aren’t going to change a person’s age.

What are the roles of independent and dependent variables?

Roughly speaking, independent variables represent function inputs, while dependent variables represent function outputs. The value of a dependent variable depends on what the input is. However, the independent variable does not depend on anything; it is just whatever you want to input!

### How do you identify the dependent variable?

The dependent variable is the one that depends on the value of some other number. If, say, y = x+3, then the value y can have depends on what the value of x is. Another way to put it is the dependent variable is the output value and the independent variable is the input value.

### How to determine which variables are dependent or independent?

Method 1 of 3: Understanding Independent and Dependent Variables. Think of an independent variable as a cause that produces an effect.

• Method 2 of 3: Identifying Variables in Equations. Use letters to represent variables in word problems.
• Method 3 of 3: Graphing Independent and Dependent Variables. Create a graph with x and y-axes.
• How do you determine independent and dependent variables?

Independent and dependent variables always go on the same places in a graph. This makes it easy for you to quickly see which variable is independent and which is dependent when looking at a graph or chart. The independent variable always goes on the x-axis, or the horizontal axis. The dependent variable goes on the y-axis, or vertical axis.

What are examples of dependent variables?

The dependent variable (sometimes known as the responding variable) is what is being studied and measured in the experiment. It’s what changes as a result of the changes to the independent variable. An example of a dependent variable is how tall you are at different ages.

#### What are the types of independent variables?

Depending on the context, an independent variable is sometimes called a “predictor variable”, regressor, covariate, “controlled variable”, “manipulated variable”, “explanatory variable”, exposure variable (see reliability theory), “risk factor” (see medical statistics), “feature” (in machine learning and pattern recognition) or “input variable.”.