Multiply by Scalar - Single Entry to Value

Question

Choose the result with the highlighted entry filled in correctly.

$$A = \left[ {\begin{array} {cc} -3 & 1 \ -8 & 7 \ 6 & -4 \end{array}  } \right] \[8pt] -2A = \left[ {\begin{array} {cc} ? & ? \ ? & \fcolorbox{#1b7f3b}{#e6f7ec}{$?$} \ ? & ? \end{array}  } \right]$$

Accepted Answer

$$\left[ {\begin{array} {cc} ? & ? \ ? & -14 \ ? & ? \end{array}  } ight]$$

Answer

$$\left[ {\begin{array} {cc} ? & ? \ ? & 8 \ ? & ? \end{array}  } ight]$$

Practice: Matrices - Multiply by Scalar - Single Entry to Value

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Multiply by Scalar - Single Entry to Value

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