Question 42 Answer and Explanation _ACT OG2 Form 2MC Math Section

Question 42 Answer and Explanation _ACT OG2 Form 2MC Math Section

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42. What is the matrix product $\begin{aligned}\begin{bmatrix} a \\ 2a \\ 3a \end{bmatrix}\end{aligned}$ [1 0 -1] ?

F. $\begin{aligned}\begin{bmatrix} a & 0 & -a \\ 2a & 0 & -2a \\ 3a & 0 & -3a \end{bmatrix}\end{aligned}$

G. $\begin{aligned}\begin{bmatrix} a & 2a & 3a \\ 0 & 0 & 0 \\ -a & -2a & -3a \end{bmatrix}\end{aligned}$

H. [2a 0 -2a]

J. [6a 0 -6a]

K. [0]

Answer and Explanation

Your Answer is

Correct Answer is F

Explanation