Discrete Math Section 12.7
Evaluate determinants
A determinant is a square array of numbers
which is equivalent to a single value.
Two by two determinant
2X2
Value of a 2 X 2
a1∙ b2 – a2∙ b1
Evaluate the determinant
Evaluate the determinant
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A graphics calculator can be used to evaluate a
determinant.
assignment
 Page 460
 Problems 1-3, 7-13