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Test 3B Fall 06 You scored 50 out of 50Question 1 Your answer is CORRECT. The matrics A, B and C are given by and D = AB - 4C. Give the value in the third row and second column of D. a ) b ) c ) d ) e ) f ) None of the above. Question 2 Your answer is CORRECT. Let Use interval notation to describe the set of values of afor which Cis a nonsingular matrix. a ) ( -, -2 )( -2 , 4 )( 4 ,) b ) ( -, -4 )( -4 , -1 )( -1 ,) c ) ( -, -5 )( -5 , 3 )( 3 ,) d ) ( -, -2 )( 4 , -1 )( -1 ,) e ) ( -, -4 )( -4 , 2 )( 2 ,) f ) None of the above. Question 3 Your answer is CORRECT. The linear, homogeneous, constant coefficient equation of least order that has
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