Category: Algebra

The quadratic formula is used often in algebra to solve quadratic equations and in calculus to find zeros of first or second derivatives.  However, it helps to be familiar with how the proof...

Functions are used often in algebra, calculus, probability, statistics, and other fields of study. However, you may have some questions about specific situations for functions. So, what do you...

Function composition is often used in algebra and calculus, and it has many interesting properties. So, what is function composition?  Function composition uses the output of a function as...

Sometimes we get a table of values from an experiment or a data set, rather than a picture of the information.  Often, we can examine in the information from a function table to learn more about...

The quadratic formula is just one of many ways to solve a quadratic equation.  This method is a general one that will work for any quadratic equation we can think of. So, what is the...

Polynomials. Algebra students spend countless hours on polynomials. Well, maybe not countless hours. Your polynomial training likely started in middle school when you learned about linear functions....