KINDERGARTEN

Find the area of the rectangle and compare to the determinant. Try with a parallelogram (let one side of the parallelogram be on the x-axis). ... Use the graphing calculator to find the inverse of a 2 x 2 matrix and verify using the following formula: 1 d ˉ b. Αˉ1 = ad – bc ˉ c a ... give them 4x4 matrices on index cards and tell each ... ................
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