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Multiple Choices
(Choose 1 answer)
(See picture)
-22-7 8
-8 2
X1
X2
A. (iii)
19
and x =
X3
B. (ii)
17
1
2
3
8
0
9
X4
Let A =
C. (i)
D. (iv)
E. None of the other choices is correct
Find the second row of Ax.
(i) [2297]
(ii) [-8218]
(iii) -8x1+2x2+x3+8X4
(iv) 2x1+2x2+9X3+7X4
