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- Question 1 of 4
##### 1. Question

For what positive, real value of A is the determinant of the matrix \(

\begin{bmatrix}

A & 2 \\

1 & 2

\end{bmatrix}\) equal to A?**(Note: The determinant of any matrix \(

\begin{bmatrix}

A & B \\

C & D

\end{bmatrix}\) equals ad − bc.)CorrectIncorrect - Question 2 of 4
##### 2. Question

For what positive, real value of X is the determinant of the matrix \(

\begin{bmatrix}

X & 2 \\

X & X

\end{bmatrix}\) equal to X?**(Note: The determinant of any matrix \(

\begin{bmatrix}

A & B \\

C & D

\end{bmatrix}\) equals ad − bc.)CorrectIncorrect - Question 3 of 4
##### 3. Question

What positive, real value of Q satisfies

the given equation \(Q*\begin{bmatrix}

2 & 2 \\

1 & 0

\end{bmatrix}=

\begin{bmatrix}

4 & 4 \\

2 & 0

\end{bmatrix}\) equal to X?**(Note: The determinant of any matrix \(

\begin{bmatrix}

A & B \\

C & D

\end{bmatrix}\) equals ad − bc.)CorrectIncorrect - Question 4 of 4
##### 4. Question

What positive, real value of Q satisfies

the given equation \(Q*\begin{bmatrix}

2 & 2 \\

1 & 0

\end{bmatrix}=

\begin{bmatrix}

4 & 4 \\

2 & 0

\end{bmatrix}\) equal to X?

\begin{bmatrix}

A & B \\

C & D

\end{bmatrix}\) equals ad − bc.)CorrectIncorrect

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