# Equations Systems

Another major theme in Algebra II is groups of equations, all rolled into one. This might seem complicated at first, but there are ways to organize the chaos. One way is using matrices. Yes—the singular is matrix. And yes—we are in it.

In addition to matrix notation, we will also introduce the concept of series and sequences. This section might go on…and on…and on…but it's another helpful way to keep track of lots of numbers and equations.

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