A system in $x$, $y$ and $z$ reduces to $\left[\begin{array}{cccc}1& 0& 0& 0\\ 0& 1& 0& 2\\ 0& 0& 1& -2\end{array}\right]$. What is the solution?

A system in $x$, $y$ and $z$ row reduces to $\left[\begin{array}{cccc}1& 0& 2& -5\\ 0& 1& -2& 6\\ 0& 0& 0& 0\end{array}\right]$. What does this tell you about the system?

Apply the row operation $R_2\to R_2-5R_1$ to $\left[\begin{array}{ccc}1& 5& 6\\ 5& -5& 5\end{array}\right]$. What is the result?

A system in $x$, $y$ and $z$ row reduces to $\left[\begin{array}{cccc}1& 0& 5& 3\\ 0& 1& -5& 5\\ 0& 0& 0& 5\end{array}\right]$. What does this tell you about the system?

Apply the row operation $R_2\to R_2-4R_1$ to $\left[\begin{array}{ccc}1& 2& -4\\ 4& 4& 0\end{array}\right]$. What is the result?

A system in $x$, $y$ and $z$ reduces to $\left[\begin{array}{cccc}1& 0& 0& 0\\ 0& 1& 0& -5\\ 0& 0& 1& -3\end{array}\right]$. What is the solution?

Apply the row operation $R_2\to R_2-4R_1$ to $\left[\begin{array}{ccc}1& -6& 1\\ 4& -8& -15\end{array}\right]$. What is the result?

Apply the row operation $R_2\to R_2-2R_1$ to $\left[\begin{array}{ccc}1& 1& 0\\ 2& -8& -11\end{array}\right]$. What is the result?

Which row operation turns the first entry of the second row of $\left[\begin{array}{ccc}1& -3& 4\\ 4& -1& -4\end{array}\right]$ into $0$?

A system in $x$, $y$ and $z$ row reduces to $\left[\begin{array}{cccc}1& 0& 1& 0\\ 0& 1& -1& 3\\ 0& 0& 0& 3\end{array}\right]$. What does this tell you about the system?

Apply the row operation $R_2\to R_2+2R_1$ to $\left[\begin{array}{ccc}1& -5& 6\\ -2& 4& -3\end{array}\right]$. What is the result?

Write the system $3x-3y=-5$ and $3x-7y=-12$ as an augmented matrix.

Write the system $-2x-2y=-6$ and $-6x-5y=-7$ as an augmented matrix.

A system in $x$, $y$ and $z$ row reduces to $\left[\begin{array}{cccc}1& 0& -3& 4\\ 0& 1& 3& 4\\ 0& 0& 0& 4\end{array}\right]$. What does this tell you about the system?

A system in $x$, $y$ and $z$ row reduces to $\left[\begin{array}{cccc}1& 0& 3& -1\\ 0& 1& -3& 4\\ 0& 0& 0& 4\end{array}\right]$. What does this tell you about the system?

Which row operation turns the first entry of the second row of $\left[\begin{array}{ccc}1& 2& -1\\ 5& 2& -2\end{array}\right]$ into $0$?

A system in $x$, $y$ and $z$ reduces to $\left[\begin{array}{cccc}1& 0& 0& 1\\ 0& 1& 0& -6\\ 0& 0& 1& 0\end{array}\right]$. What is the solution?

Which system does the augmented matrix $\left[\begin{array}{cccc}-2& 0& -2& 1\\ -4& 4& 0& -9\end{array}\right]$ represent?

Which system does the augmented matrix $\left[\begin{array}{cccc}4& 0& -1& 2\\ 1& 4& 0& 0\end{array}\right]$ represent?

Write the system $-2x+y=0$ and $-9x+y=-5$ as an augmented matrix.

Which row operation turns the first entry of the second row of $\left[\begin{array}{ccc}1& -1& -1\\ 7& -6& -2\end{array}\right]$ into $0$?

Apply the row operation $R_2\to R_2+2R_1$ to $\left[\begin{array}{ccc}1& -5& -2\\ -2& -6& -8\end{array}\right]$. What is the result?

Which system does the augmented matrix $\left[\begin{array}{cccc}4& 0& 4& 5\\ -1& 2& 0& 4\end{array}\right]$ represent?

Write the system $4x-y=3$ and $x+2y=-5$ as an augmented matrix.

Apply the row operation $R_2\to R_2+2R_1$ to $\left[\begin{array}{ccc}1& 6& 6\\ -2& -2& 2\end{array}\right]$. What is the result?

Write the system $-5x-4y=4$ and $-8x-12y=-6$ as an augmented matrix.

A system in $x$, $y$ and $z$ reduces to $\left[\begin{array}{cccc}1& 0& 0& -3\\ 0& 1& 0& -6\\ 0& 0& 1& -1\end{array}\right]$. What is the solution?

Which row operation turns the first entry of the second row of $\left[\begin{array}{ccc}1& 6& 1\\ 5& -3& -6\end{array}\right]$ into $0$?

Which system does the augmented matrix $\left[\begin{array}{cccc}-3& 0& -4& 0\\ -9& -4& 0& -6\end{array}\right]$ represent?

A system in $x$, $y$ and $z$ row reduces to $\left[\begin{array}{cccc}1& 0& -4& -4\\ 0& 1& 4& 2\\ 0& 0& 0& 2\end{array}\right]$. What does this tell you about the system?

A system in $x$, $y$ and $z$ row reduces to $\left[\begin{array}{cccc}1& 0& -4& 3\\ 0& 1& 4& -7\\ 0& 0& 0& 0\end{array}\right]$. What does this tell you about the system?

A system in $x$, $y$ and $z$ reduces to $\left[\begin{array}{cccc}1& 0& 0& 1\\ 0& 1& 0& -1\\ 0& 0& 1& 4\end{array}\right]$. What is the solution?

Which row operation turns the first entry of the second row of $\left[\begin{array}{ccc}1& 1& -5\\ 6& -5& -1\end{array}\right]$ into $0$?

Write the system $-5x+5y=2$ and $-10x+2y=-5$ as an augmented matrix.

A system in $x$, $y$ and $z$ reduces to $\left[\begin{array}{cccc}1& 0& 0& 4\\ 0& 1& 0& -3\\ 0& 0& 1& -6\end{array}\right]$. What is the solution?

A system in $x$, $y$ and $z$ reduces to $\left[\begin{array}{cccc}1& 0& 0& -3\\ 0& 1& 0& -5\\ 0& 0& 1& 5\end{array}\right]$. What is the solution?

Write the system $x+2y=6$ and $x-3y=-4$ as an augmented matrix.

Which system does the augmented matrix $\left[\begin{array}{cccc}4& 0& -2& -1\\ 2& 4& 0& -5\end{array}\right]$ represent?

Which system does the augmented matrix $\left[\begin{array}{cccc}-2& 0& -3& 2\\ -5& 1& 0& -10\end{array}\right]$ represent?

Which row operation turns the first entry of the second row of $\left[\begin{array}{ccc}1& -2& 6\\ 3& -7& -7\end{array}\right]$ into $0$?