In the matrix A = \begin{bmatrix}-5 & 20 \\\2 & -x \end{bmatrix}, what is the value of x ? I. A is singular II. A is symmetric

Instructions

A question is followed by data in the form of two statements labelled as I and II. You must decide whether the data given in the statements are sufficient to answer the questions.

Question 11

In the matrix $$A = \begin{bmatrix}-5 & 20 \\2 & -x \end{bmatrix}$$, what is the value of x ?
I. A is singular
II. A is symmetric

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In the matrix $$A = \begin{bmatrix}-5 & 20 \\2 & -x \end{bmatrix}$$, what is the value of x ?I. A is singularII. A is symmetric

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In the matrix $$A = \begin{bmatrix}-5 & 20 \\2 & -x \end{bmatrix}$$, what is the value of x ?
I. A is singular
II. A is symmetric