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Determine Whether the Matrix Is in Row-Echelon Form [195201090015]\left[ \begin{array} { c c c c } 1 & - 9 & 5 & 2 \\0 & 1 & 0 & - 9 \\0 & 0 & 1 & - 5\end{array} \right]

question 72

Multiple Choice

Determine whether the matrix is in row-echelon form. If it is, determine if it is also in reduced row-echelon form. [195201090015]\left[ \begin{array} { c c c c } 1 & - 9 & 5 & 2 \\0 & 1 & 0 & - 9 \\0 & 0 & 1 & - 5\end{array} \right]


Definitions:

Cardiac Arrest

A sudden loss of heart function, leading to a stop in effective blood flow and necessitating immediate medical attention.

Cardiovascular Disease

A general term for conditions affecting the heart and blood vessels, often related to atherosclerosis or plaque build-up within arteries.

Low-Density Lipoprotein

A type of cholesterol often referred to as "bad" cholesterol because high levels can lead to plaque buildup in arteries and heart disease.

Bad Cholesterol

Commonly refers to low-density lipoprotein (LDL) cholesterol, which can accumulate in the walls of blood vessels and increase the risk of heart disease.

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