Algebra II Terms
Get down with the lingo
This rule is a way to solve square systems using determinants.
Determinants ditch the brackets and use vertical lines instead. You can only find a determinant for a square matrix. Example:
Entries are the numbers or variables inside the brackets. In the example for the term "Matrix" the entries are 2, 4, -3, 1, -7, and 41.
Variables or constants arranged like a grid in rows and columns that together make up a rectangle. The rows
go across, and the columns
are vertical; they're like the columns in the Lincoln Memorial
. Here's a 2 × 2 matrix:
In these, we used basic operations to combine systems of matrices.
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