The natural world is full of relationships between quantities that change. When we see these relationships, it is natural for us to ask “If I know one quantity, can I then determine the other?” This establishes the idea of an input quantity, or independent variable, and a corresponding output quantity, or dependent variable. From this we get the notion of a functional relationship in which the output can be determined from the input.
Please click the button(s) below to download the resource(s)Glossary
docPlease login to download this file.
About this resource
High School (9-12)
Learning Resource Type
Lippman & Rasmussen
CC BY / CC BY-SA