janeou17xn
27.06.2019 •
Mathematics
Which matrix represents this system of equations? -2y + 7z = 10 9x + 5y = 1 2x + z = -5
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Ответ:
The augmented matrix is ...
![\left[\begin{array}{ccc|c}0&-2&7&10\\9&5&0&1\\2&0&1&-5\end{array}\right]](/tpl/images/0024/2574/e5d16.png)
Step-by-step explanation:Missing variables essentially have a coefficient of zero. Coefficients are listed in the same order in each row, and the matrix is "augmented" by the column of constants on the right side of each equation.
Ответ: