Multiply by Scalar - Full Matrix to Values

Question

Find the result of -4A.

$$A = \left[ {\begin{array} {ccc} 2 & 1 & -3 \ -7 & 3 & -6 \ 5 & 7 & 6 \end{array}  } \right] \[8pt] -4A = \left[\, ? \,\right]$$

Accepted Answer

$$\left[ {\begin{array} {ccc} -8 & -4 & 12 \ 28 & -12 & 24 \ -20 & -28 & -24 \end{array}  } ight]$$

Answer

$$\left[ {\begin{array} {ccc} 2 & 1 & -3 \ -7 & 3 & -6 \ 5 & 7 & 6 \end{array}  } ight]$$

Answer

$$\left[ {\begin{array} {ccc} -10 & -5 & 15 \ 35 & -15 & 30 \ -25 & -35 & -30 \end{array}  } ight]$$

Answer

$$\left[ {\begin{array} {ccc} 8 & 4 & -12 \ -28 & 12 & -24 \ 20 & 28 & 24 \end{array}  } ight]$$

Practice: Matrices