The Matrix Is in Reduced Echelon Form

question 36

True/False

The matrix is in reduced echelon form. $$\left. \left[ \begin{array} { c c c c } 1 & 0 & 0 & 0 \\0 & 0 & 1 & 0 \\0 & 1 & 0 & 0 \\0 & 0 & 0 & 1\end{array} \right] \quad \begin{array} { r } 1 \\- 7 \\1\\-8\end{array} \right]$$

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Definitions:

Lease

A contractual agreement by which one party conveys property, land, services, etc., to another for a specified time, usually in return for a periodic payment.

Compromise

A way of resolving disagreements in which each party gives up something but also gains something in return.

Direct Coping

The practice of tackling a stressor head-on and taking active steps to remove or alleviate its impact.

Problem-Oriented

A methodological approach focusing on identifying, analyzing, and solving specific problems.