United States of America
Grades 9-12
10.04 Row operations
Interactive practice questions
| $x$x | $y$y | $z$z | |||||
| The augmented matrix | $1$1 | $-1$−1 | $1$1 | $0$0 | is in row-echelon form and represents a linear system in $x$x, $y$y and $z$z. | ||
| $0$0 | $1$1 | $-1$−1 | $4$4 | ||||
| $0$0 | $0$0 | $1$1 | $-6$−6 |
| Solve for $x$x, $y$y and $z$z. |
Easy
4min
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