Identifying Functions

Front

What is a function?

Back

A function is a relation between a set of inputs and a set of possible outputs where each input is related to exactly one output.

Front

What is the vertical axis in a graph called?

Back

The vertical axis is called the y-axis.

Front

What are like terms?

Back

Like terms are terms that have the same variable raised to the same power.

Front

What does it mean if an equation has no solution?

Back

It means there are no values for the variable that will satisfy the equation.

Front

What is an independent variable?

Back

An independent variable is the variable that is changed or controlled in a scientific experiment to test its effects on the dependent variable.

Front

What is a dependent variable?

Back

A dependent variable is the variable that is being tested and measured in a scientific experiment.

Front

How do you identify a function from a set of ordered pairs?

Back

A set of ordered pairs represents a function if no two different ordered pairs have the same first element.

Front

What is the slope of a line?

Back

The slope of a line is a measure of its steepness, calculated as the rise over run between two points on the line.

Front

What is the x-axis in a graph?

Back

The x-axis is the horizontal axis in a graph.

Front

What does it mean for two expressions to be equivalent?

Back

Two expressions are equivalent if they have the same value for all values of the variable.