What is $\left[\begin{array}{cc}-4& 1\\ 6& -3\end{array}\right]\ast \left[\begin{array}{cc}2& 7\\ -2& 3\end{array}\right]$?

A is 2 x 3 and B is 3 x 2. A classmate says AB and BA must be the same matrix because multiplication can be done in any order. What is true instead?

What is $\left[\begin{array}{cc}7& -2\\ 3& -6\end{array}\right]\ast \left[\begin{array}{c}-1\\ 4\end{array}\right]$?

A is 3 x 4 and B is 4 x 4. What are the dimensions of the product AB?

A is 2 x 4 and B is 4 x 1. What are the dimensions of the product AB?

What is $\left[\begin{array}{cc}-1& 4\\ -5& 0\end{array}\right]\ast \left[\begin{array}{c}5\\ -4\end{array}\right]$?

A is 3 x 4 and B is 4 x 3. One student says AB and BA must be the same matrix because multiplication can be done in any order. What is true instead?

For $A=\left[\begin{array}{ccc}4& -5& 0\\ 5& -4& 1\end{array}\right]$ and $B=\left[\begin{array}{cc}6& -3\\ 2& 7\\ -2& 3\end{array}\right]$, what is the entry of AB in row 1, column 2?

For $A=\left[\begin{array}{ccc}4& -5& 0\\ 5& -4& 1\end{array}\right]$ and $B=\left[\begin{array}{cc}6& -3\\ 2& 7\\ -2& 3\end{array}\right]$, what is the entry of AB in row 1, column 1?

For $A=\left[\begin{array}{ccc}3& -6& -1\\ 4& -5& 0\end{array}\right]$ and $B=\left[\begin{array}{cc}5& -4\\ 1& 6\\ -3& 2\end{array}\right]$, what is the entry of AB in row 1, column 2?

What is $\left[\begin{array}{cc}1& 6\\ -3& 2\end{array}\right]\ast \left[\begin{array}{cc}7& -2\\ 3& -6\end{array}\right]$?

What is $\left[\begin{array}{cc}-5& 0\\ 5& -4\end{array}\right]\ast \left[\begin{array}{cc}1& 6\\ -3& 2\end{array}\right]$?

For $A=\left[\begin{array}{ccc}3& -6& -1\\ 4& -5& 0\end{array}\right]$ and $B=\left[\begin{array}{cc}5& -4\\ 1& 6\\ -3& 2\end{array}\right]$, what is the entry of AB in row 2, column 2?

A is 2 x 5 and B is 5 x 2. One student says AB and BA must be the same matrix because multiplication can be done in any order. What is true instead?

For $A=\left[\begin{array}{ccc}5& -4& 1\\ 6& -3& 2\end{array}\right]$ and $B=\left[\begin{array}{cc}7& -2\\ 3& -6\\ -1& 4\end{array}\right]$, what is the entry of AB in row 2, column 1?

What is $\left[\begin{array}{cc}-2& 3\\ -6& -1\end{array}\right]\ast \left[\begin{array}{cc}4& -5\\ 0& 5\end{array}\right]$?

For $A=\left[\begin{array}{ccc}-6& -1& 4\\ -5& 0& 5\end{array}\right]$ and $B=\left[\begin{array}{cc}-4& 1\\ 6& -3\\ 2& 7\end{array}\right]$, what is the entry of AB in row 1, column 2?

A is 5 x 2 and B is 2 x 2. What are the dimensions of the product AB?

What is $\left[\begin{array}{cc}-3& 2\\ 7& -2\end{array}\right]\ast \left[\begin{array}{cc}3& -6\\ -1& 4\end{array}\right]$?

A is 5 x 3 and B is 4 x 4. What are the dimensions of the product AB?

What is $\left[\begin{array}{cc}4& -5\\ 0& 5\end{array}\right]\ast \left[\begin{array}{c}-4\\ 1\end{array}\right]$?

A is 2 x 2 and B is 2 x 3. What are the dimensions of the product AB?

A is 5 x 4 and B is 4 x 3. What are the dimensions of the product AB?

What is $\left[\begin{array}{cc}4& -5\\ 0& 5\end{array}\right]\ast \left[\begin{array}{cc}-4& 1\\ 6& -3\end{array}\right]$?

What is $\left[\begin{array}{cc}2& 7\\ -2& 3\end{array}\right]\ast \left[\begin{array}{cc}-6& -1\\ 4& -5\end{array}\right]$?

What is $\left[\begin{array}{cc}7& -2\\ 3& -6\end{array}\right]\ast \left[\begin{array}{cc}-1& 4\\ -5& 0\end{array}\right]$?

What is $\left[\begin{array}{cc}6& -3\\ 2& 7\end{array}\right]\ast \left[\begin{array}{cc}-2& 3\\ -6& -1\end{array}\right]$?

A is 4 x 3 and B is 4 x 1. What are the dimensions of the product AB?

What is $\left[\begin{array}{cc}-5& 0\\ 5& -4\end{array}\right]\ast \left[\begin{array}{c}1\\ 6\end{array}\right]$?

What is $\left[\begin{array}{cc}3& -6\\ -1& 4\end{array}\right]\ast \left[\begin{array}{cc}-5& 0\\ 5& -4\end{array}\right]$?

What is $\left[\begin{array}{cc}-6& -1\\ 4& -5\end{array}\right]\ast \left[\begin{array}{c}0\\ 5\end{array}\right]$?

What is $\left[\begin{array}{cc}-2& 3\\ -6& -1\end{array}\right]\ast \left[\begin{array}{c}4\\ -5\end{array}\right]$?

For $A=\left[\begin{array}{ccc}3& -6& -1\\ 4& -5& 0\end{array}\right]$ and $B=\left[\begin{array}{cc}5& -4\\ 1& 6\\ -3& 2\end{array}\right]$, what is the entry of AB in row 1, column 1?

What is $\left[\begin{array}{cc}2& 7\\ -2& 3\end{array}\right]\ast \left[\begin{array}{c}-6\\ -1\end{array}\right]$?

A is 4 x 3 and B is 4 x 2. What are the dimensions of the product AB?

A is 5 x 3 and B is 4 x 1. What are the dimensions of the product AB?

What is $\left[\begin{array}{cc}1& 6\\ -3& 2\end{array}\right]\ast \left[\begin{array}{c}7\\ -2\end{array}\right]$?

For $A=\left[\begin{array}{ccc}-4& 1& 6\\ -3& 2& 7\end{array}\right]$ and $B=\left[\begin{array}{cc}-2& 3\\ -6& -1\\ 4& -5\end{array}\right]$, what is the entry of AB in row 2, column 2?

A is 3 x 4 and B is 4 x 3. What are the dimensions of the product BA?

A is 5 x 2 and B is 3 x 2. What are the dimensions of the product AB?