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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.
• Video

Finding and Using the Determinant of a Matrix - Overview

by CK-12 //basic
Overview
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• Video

Determinants - Overview

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Overview
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Finding and Using the Determinant of a Matrix - Example 1

by CK-12 //basic
Find the determinant of a 2 x 2 matrix
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Finding and Using the Determinant of a Matrix - Example 2

by CK-12 //basic
Solve the equation for x using the determinant
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Finding and Using the Determinant of a Matrix - Example 3

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Find the minor of the matrix
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Finding and Using the Determinant of a Matrix - Example 4

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Find the cofactor of the matrix
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Finding and Using the Determinant of a Matrix - Example 5

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Find the determinant of a 3 x 3 matrix
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Finding and Using the Determinant of a Matrix - Example 6

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Find the determinant of a 4 x 4 matrix
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Determinants - Example 1

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Finding Determinants Given a Matrix
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Determinants - Example 2

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Using Determinants to Find Areas of Triangles
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