!1. select the best answer for the question. multiply matrix d = [5,-2,1 ] by matrix e= [12] a. [4 8] b. 2 c. [5 -2 1 ,10 4 2] d. [5 10, -2 -4, 1 2] 2. subtract [-6 -4,6 0, 6 4] - [-5 5, -4 -4,6 -4] 3. add [1 -4,3 5] + [-2 6,-2 4] 4. find the determinant of a= [ 4 -7, 3 -2] a. 13 b. −2 c. 2 d. 29 5. what is matrix a + matrix b? a=[3 0, 2 -1] b= [ 2 8, .6 3] 6. what is 4c? c= [12 03/2, 1 -6 7] 7. evaluate the determinant for the following matrix: [-5 1, 5 4] 8. complete the multiplication: 2ea e= [12] a= [3 0, 2 -1] 9. multiply [5 0 , 3 -5] x [2 -1, 2 -2]

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