Question 8 Answer and Explanation _ACT December 2018 Form B05 Math Section

Question 8 Answer and Explanation _ACT December 2018 Form B05 Math Section

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8. Which of the following matrices is equal to $\begin{aligned}\begin{bmatrix} 5 & 7 \\ -4 & 4 \end{bmatrix}\end{aligned}$ + $\begin{aligned}\begin{bmatrix} -6 & 3 \\ 6 & 8 \end{bmatrix}\end{aligned}$ ?

F. $\begin{aligned}\begin{bmatrix} -1 & 10 \\ 2 & 12 \end{bmatrix}\end{aligned}$

G. $\begin{aligned}\begin{bmatrix} -1 & 10 \\ 10 & 12 \end{bmatrix}\end{aligned}$

H.

J. $\begin{aligned}\begin{bmatrix} 12 & -3 \\ 0 & 14 \end{bmatrix}\end{aligned}$

K. $\begin{aligned}\begin{bmatrix} 12 & 71 \\ 48 & 20 \end{bmatrix}.\end{aligned}$

Answer and Explanation

Your Answer is

Correct Answer is F

Explanation