Quiz for Math 338: Linear Algebra

March 1, 2006
Author: Kevin O'Bryant

(7 points) Compute the determinant of ( {{5, 3}, {1, 2}} ) .

(8 points) What is the inverse of ( {{5, 3}, {1, 2}} ) ?

(10 points) Compute the determinant of ( {{-2, -3, 0}, {0, -2, -2}, {-2, -3, 3}} ) .

(5 points) Compute the determinant of ( {{-3, 7, -10, -3, -7}, {0, 1, 2, -1, 10}, {0, 0, 2, 8, -10}, {0, 0, 0, -1, 2}, {0, 0, 0, 0, 0}} ) .

Answers:

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