Summary: This module provides practice problems related to determinants.
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What did you get? Can you make a generalization about the "determinant of an inverse matrix"?
A triangle has vertices at (-1,-2), (1,5), and (3,4).
Use your calculator to find the determinant
Make up a 3×3 matrix whose determinant is zero. (Do not use all zeros!) Try to find its inverse on your calculator. What happens?
"This is the "main" book in Kenny Felder's "Advanced Algebra II" series. This text was created with a focus on 'doing' and 'understanding' algebra concepts rather than simply hearing about them in […]"