Multiply - Matrix by Vector (as Matrix) to Values

Question

Find the matrix-vector product Av.

$$A = \left[ {\begin{array} {cc} -4 & -1 \ -9 & -2 \ -3 & 4 \end{array}  } \right] \[8pt] v = \left[ {\begin{array} {c} 1 \ -2 \end{array}  } \right] \[8pt] Av = \left[\, ? \,\right]$$

Accepted Answer

$$\left[ {\begin{array} {c} -2 \ -5 \ -11 \end{array}  } ight]$$

Answer

$$\left[ {\begin{array} {c} 2 \ 5 \ 11 \end{array}  } ight]$$

Answer

$$\left[ {\begin{array} {c} -3 \ -5 \ -11 \end{array}  } ight]$$

Answer

$$\left[ {\begin{array} {c} -11 \ -5 \ -2 \end{array}  } ight]$$

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Multiply - Matrix by Vector (as Matrix) to Values