Add with Two Scalars - Single Entry to Value

Question

Choose the result with the highlighted entry filled in correctly.

$$A = \left[ {\begin{array} {cc} -4 & 7 \ -1 & -8 \ 2 & 4 \ 8 & -5 \end{array}  } \right] \qquad B = \left[ {\begin{array} {cc} 4 & -9 \ 8 & 9 \ 3 & 2 \ -2 & 0 \end{array}  } \right] \[8pt] 4A + 3B = \left[ {\begin{array} {cc} ? & ? \ ? & ? \ ? & \fcolorbox{#1b7f3b}{#e6f7ec}{$?$} \ ? & ? \end{array}  } \right]$$

Accepted Answer

$$\left[ {\begin{array} {cc} ? & ? \ ? & ? \ ? & 22 \ ? & ? \end{array}  } ight]$$

Answer

$$\left[ {\begin{array} {cc} ? & ? \ ? & ? \ ? & -5 \ ? & ? \end{array}  } ight]$$

Practice: Matrices - Add with Two Scalars - Single Entry to Value

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Add with Two Scalars - Single Entry to Value

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