Determine Whether the Matrix Is in Row-Echelon Form $$\left[ \begin{array} { r r r r } 1 & 9 & - 9 & - 6 \\0 & 1 & 0 & - 2 \\0 & 0 & 1 & 1\end{array} \right]$$

question 17

Multiple Choice

Determine whether the matrix is in row-echelon form.If it is,determine if it is also in reduced row-echelon form. $$\left[ \begin{array} { r r r r } 1 & 9 & - 9 & - 6 \\0 & 1 & 0 & - 2 \\0 & 0 & 1 & 1\end{array} \right]$$

• A)row-echelon form
• B)row-echelon form and reduced row-echelon form
• C)neither

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Definitions:

Modeling

A process in social learning theory where individuals learn behaviors, attitudes, or emotional reactions through observing others.

Sensitization

An increase in behavioral response after exposure to a stimulus, often leading to an exaggerated response to a later stimulus.

Habituation

The process by which an organism decreases or ceases its responses to a repetitive stimulus over time.

Behavioral Contrast

A phenomenon where the rate of response to a stimulus changes significantly when the conditions of reinforcement for another stimulus are altered.