April 13 Precalculus 3×3 Systems

EQ: HOw do I solve a 3×3 system?

TSWBAT find the equation of a parabola passing through three points using matrices, Cramers Rule and the second method of finding a determinant.

Act 1: Warm-Up:  SOLVE THE SYSTEM using Matrices and Cramer’s Rule

Act 2: Find the Equation of a Parabola Given Three points using Matrices and Cramers rule method 2

Method 2

HW: Desmos Art Project

Systems Toolkit- Determinants and Cramers Rule


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