Question

The values of x, y, z and 'a' which satisfy the matrix equation $\begin{bmatrix}x+3& 2y+x \\ z-1& 4a-6\end{bmatrix}=\begin{bmatrix}0& -7 \\ 3& 2a\end{bmatrix},$ respectively, are:

• A. -3, -2, 4, 3
• B. 3, 2, 4, 3
• C. -2, -3, 3, 4
• D. 2, 3, 4, 3

Hint:

When equating matrices, always solve for the variables that appear alone in an equation first (like $x$ and $z$ here) to simplify the remaining substitutions.

Answer 1

The Correct Option is A