When my students grow too dependent on their calculators, I ask them to find a number that, when multiplied by itself, gives them 2. Students quickly see that since 1² = 1 and 2² = 4, the answer has ...

In this math tutorial, I will show you how to add and subtract complex numbers. You will learn the steps in adding rational ...

In this video series, I show you how to simplify rational complex numbers. We do this by eliminating dividing by an imaginary ...

A rational number can be written exactly in the form \(\frac{a}{b}\), where 𝑎 and 𝑏 are integers, while an irrational number cannot.