Given a description of a real-world relationship, determine whether that relationship is linear or exponential. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

A set of examples and exercises that cover interest rate problems and how to solve them using exponents and logarithms.

A set of examples and exercises that cover how to solve mortgage problems by using exponents and logarithms.

This lesson gives brief description of dependent and independent variables and how they relate to the exponential and logarithmic functions.

This Algebra Cruncher generates an endless number of practice problems for radioactive decay -- with hints and solutions!