Does $\left[\begin{array}{cc}4& -5\\ 8& -10\end{array}\right]$ have an inverse, and why?

Does $\left[\begin{array}{cc}4& -5\\ 0& 5\end{array}\right]$ have an inverse, and why?

For $A=\left[\begin{array}{cc}-5& -4\\ 4& 3\end{array}\right]$, a student proposes $B=\left[\begin{array}{cc}3& 4\\ -4& -5\end{array}\right]$. What product would confirm that B is the inverse of A?

What is the inverse of $\left[\begin{array}{cc}-3& 5\\ 1& -2\end{array}\right]$?

What is the determinant of $\left[\begin{array}{cc}7& -2\\ 7& 3\end{array}\right]$?

What is the determinant of $\left[\begin{array}{cc}-6& 8\\ 6& -3\end{array}\right]$?

For $A=\left[\begin{array}{cc}-6& -1\\ 7& 1\end{array}\right]$, the inverse is $B=\left[\begin{array}{cc}1& 1\\ -7& -6\end{array}\right]$, so AB is the identity matrix. Which other product must also equal the identity matrix?

Does $\left[\begin{array}{cc}5& -4\\ 1& 6\end{array}\right]$ have an inverse, and why?

For $A=\left[\begin{array}{cc}-5& 2\\ 2& -1\end{array}\right]$, a student proposes $B=\left[\begin{array}{cc}-1& 2\\ 2& -5\end{array}\right]$ as the inverse. Is B the inverse of A?

What is the determinant of $\left[\begin{array}{cc}-2& 5\\ 6& 8\end{array}\right]$?

For what value of k does $\left[\begin{array}{cc}k& 6\\ 3& 4\end{array}\right]$ have determinant 10?

For $A=\left[\begin{array}{cc}-5& -1\\ 1& 0\end{array}\right]$ and $B=\left[\begin{array}{cc}0& 1\\ -1& -5\end{array}\right]$, AB is the identity matrix, so B is the inverse of A. What is the inverse of B?

Does $\left[\begin{array}{cc}-6& -1\\ 4& -5\end{array}\right]$ have an inverse, and why?

What is the inverse of $\left[\begin{array}{cc}1& -1\\ 1& 0\end{array}\right]$?

What is the inverse of $\left[\begin{array}{cc}-3& 1\\ -1& 0\end{array}\right]$?

What is the determinant of $\left[\begin{array}{cc}8& 2\\ 5& 2\end{array}\right]$?

What is the inverse of $\left[\begin{array}{cc}-1& 8\\ -1& 7\end{array}\right]$?

For $A=\left[\begin{array}{cc}-5& -3\\ 7& 4\end{array}\right]$, the inverse is $B=\left[\begin{array}{cc}4& 3\\ -7& -5\end{array}\right]$. What is the determinant of B?

What is the inverse of $\left[\begin{array}{cc}5& 6\\ -1& -1\end{array}\right]$?

Does $\left[\begin{array}{cc}0& 5\\ -4& 1\end{array}\right]$ have an inverse, and why?

Does $\left[\begin{array}{cc}-3& 2\\ 7& -2\end{array}\right]$ have an inverse, and why?

What is the inverse of $\left[\begin{array}{cc}0& -1\\ 1& 5\end{array}\right]$?

What is the inverse of $\left[\begin{array}{cc}0& 1\\ -1& -1\end{array}\right]$?

What is the determinant of $\left[\begin{array}{cc}-3& -4\\ -2& 4\end{array}\right]$?

What is the determinant of $\left[\begin{array}{cc}6& 4\\ -6& 4\end{array}\right]$?

Does $\left[\begin{array}{cc}7& -2\\ 3& -6\end{array}\right]$ have an inverse, and why?

What is the inverse of $\left[\begin{array}{cc}-1& -1\\ -5& -6\end{array}\right]$?

For what value of k does $\left[\begin{array}{cc}k& 6\\ 6& 2\end{array}\right]$ have determinant 6?

What is the inverse of $\left[\begin{array}{cc}-2& -1\\ 3& 1\end{array}\right]$?

For what value of k does $\left[\begin{array}{cc}k& 4\\ 6& 4\end{array}\right]$ have determinant 12?

What is the determinant of $\left[\begin{array}{cc}-4& 3\\ -3& -2\end{array}\right]$?

Does $\left[\begin{array}{cc}0& 5\\ 0& 20\end{array}\right]$ have an inverse, and why?

What is the determinant of $\left[\begin{array}{cc}-4& 2\\ -4& -6\end{array}\right]$?

What is the inverse of $\left[\begin{array}{cc}1& 1\\ -6& -5\end{array}\right]$?

What is the determinant of $\left[\begin{array}{cc}7& 5\\ -2& 4\end{array}\right]$?

For $A=\left[\begin{array}{cc}-5& -2\\ 3& 1\end{array}\right]$, the inverse is $B=\left[\begin{array}{cc}1& 2\\ -3& -5\end{array}\right]$. What is the determinant of A?

What is the determinant of $\left[\begin{array}{cc}4& 2\\ -4& 5\end{array}\right]$?

For what value of k does $\left[\begin{array}{cc}k& 5\\ 2& 4\end{array}\right]$ have determinant 14?

What is the inverse of $\left[\begin{array}{cc}8& 3\\ 5& 2\end{array}\right]$?

What is the inverse of $\left[\begin{array}{cc}-1& 4\\ -1& 3\end{array}\right]$?