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Type: Multiple-Choice
Category: Matrices
Level: Grade 11
Author: nsharp1
Last Modified: a month ago

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Grade 11 Matrices

A square matrix A is NOT invertible (does not have an inverse) if which of the following is true?
  1. Matrix A is the identity matrix
  2. [math]A_{1,1} < 0[/math]
  3. Matrix A has any elements equal to zero
  4. [math]det(A) = 0[/math]
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