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# Determinants

## Number calculated from the entries in a matrix primarily through multiplication and subtraction.

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.
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## Finding Determinants of Matrices

by CK-12 //at grade
This lesson covers finding the determinant of a 2 x 2 and a 3 x 3 matrix.
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## Determinant of Matrices

by CK-12 //at grade
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• Video

## Matrix Determinants

by CK-12 //at grade
Learn to find the determinant of 2x2 and 3x3 matrices.
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