D Question 16 4.5 pts D Question 13 D Question 19 4.5 pts O BC 4.5 pts Which of the following represents the additive identity given that A is a 3x3 matrix? O DC Identify the element in a 32 given Find the product of AB. O CB 15.7 16.9 12 O A+1=A O CD 3.2 9.2 O A+0=A 5.7 -6 A - 5 7 8 8 6 -4.1 O 1A=A 0 8 O OA=A AB= [109 D Question 21 5 pts 257 0 2 O AB = [109 257] 0 0 Find the 9th term in the given sequence: D Question 17 4.5 pts O AB = [85 257] 0 -6 1, -4, 16, -64.. O AB= 257 Find -2C. D Question 14 4.5 pts C- 5 10 8 D Question 20 4.5 pts Find the sum of A+B. D Question 22 5 pts A = 6 18 27 B 41 26 13] O 6 Determine which of the following matrices can be 14 12 -20] -20 -12 multiplied. 20 Identify the element a23 in the product AB. 16 A = [-5 7] O A + B O 20 9 20 12 0 4 - 7 -2 B - [ 3 19 ] 00 B = -0.5 -4 O Cannot add matrices of same dimensions. -5 O O A + B 47 44 40 20 9 -8 -9 20 9 10 20 -16 C= -8 -12 O A+ B= 47 44 40 -6 3.5 19 20 O -20 -5 3 2C 3 4 D = 18 D Question 23 0 pts O BC D Question 15 4.5 pts Do you have any questions? O DC D Question 18 4.5 pts Edit View Insert Format Tools Table Find B-A. O CB 12pt ~ Paragraph O CD Find 5A-6B. -7 10 28 -5 12 20 A= 4 3 B = 0.5 -6 -6 0.25 -3 0 Question 21 5 pts