Category: Algebra

Pascal’s Triangle is useful in algebra, probability, and combinatorics when we need to expand binomials raised to an integer power.  However, it always helps to know where it comes from and...

Geometric series are used in mathematics whenever we want to add up a sequence of numbers that grows or shrinks by a fixed percentage at each step.  However, there are a few things you should...

In mathematics, we want to solve an equation to find the values of variables that make it true.  However, there are some cases when an equation has more than one solution. So, what is an...

In mathematics, we want to solve an equation to find the values of variables that make it true.  However, this is not always possible. So, what is an equation with no solution?  An...

The vertex of a parabola is an extreme value of the function.  However, it helps to know when it is a maximum or minimum and when it might touch a coordinate axis. So, what do you need to...

Inverse variation comes up often in math and is also used in our everyday lives.  However, there are still lots of questions that you can ask about inverse variation. So, what is inverse...