Variables & Patterns 2.1

Front

What is a variable?

Back

A variable is a symbol or letter that represents a number in mathematical expressions or equations.

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 measured and affected in an experiment, depending on the independent variable.

Front

What does it mean for a pattern to be linear?

Back

A linear pattern is a relationship that shows a constant rate of change, represented by a straight line on a graph.

Front

How do you identify the greatest increase in a set of data?

Back

To identify the greatest increase, compare the differences between consecutive values and find the largest difference.

Front

What is a graph?

Back

A graph is a visual representation of data that shows the relationship between two or more variables.

Front

What does it mean for a cost to increase at a constant rate?

Back

It means that for every unit increase in the independent variable, the dependent variable increases by the same amount.

Front

How can you estimate values from a graph?

Back

You can estimate values by locating the point on the graph that corresponds to the given variable and reading the value directly.

Front

What is a table in data representation?

Back

A table is a structured arrangement of data in rows and columns, making it easier to read and compare values.

Front

What is a decrease in temperature?

Back

A decrease in temperature refers to a drop in the temperature value over a specific period.