Kizspy | Question: 43
(Choose 1 answer)
(See picture)
A. (i)
B. (ii)
C. (iii)
D. (iv)E. None of the other choices is correct
FUOVERFLOW
A=[\begin{matrix}-2&2&-7&8\\ -8&2&1&8\\ 1&9&2&0\\ 1&7&3&9\end{matrix}]sind~x=[\begin{matrix}x_{1}\\ x_{2}\\ x_{4}\\ x_{4}\end{matrix}]
Find the second row of Ax.
(i) [\begin{matrix}2&2&9&7\\ \end{matrix}]
(ii) [\begin{matrix}-8&2&1&8\end{matrix}]
(iii) -8x_{1}+2x_{2}+x_{3}+8x_{4}
(iv) 2x_{1}+2x_{2}+9x_{3}+7x_{4}