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Systems and Matrices Reference
Algebra 2 · Axiom Academy
FORMULA SHEET Systems and Matrices Reference Essential formulas and procedures for matrix operations, solving linear systems, and computing determinants. Addition, Subtraction & Scalar Multiplication Create a leading 1 in the first row, first column. Use row operations to create zeros below that leading 1 . Repeat for the next row and column. Continue until the matrix is in row echelon form. Use back-substitution to find the solution. Identity Matrix & Inverse Property Solving Systems with the Inverse Cramer's Rule: 2×︎2 and 3×︎3 Systems
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