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A Matrix Has an Inverse If and Only If Its [7469]\left[ \begin{array} { l l } 7 & 4 \\6 & 9\end{array} \right]

question 42

Multiple Choice

A matrix has an inverse if and only if its determinant does not equal 0. Determine whether the given matrix has an
inverse.
- [7469]\left[ \begin{array} { l l } 7 & 4 \\6 & 9\end{array} \right]


Definitions:

Regression Model

A statistical technique used to predict the value of a dependent variable based on the values of one or more independent variables.

Significant

A term used in statistics to denote that a result is not likely to occur by chance alone, and therefore indicates a meaningful difference or relationship.

Level of Significance

A threshold used in statistical hypothesis testing to decide whether to reject the null hypothesis, usually expressed as a probability value (p-value).

Inclusion of Education

The practice of incorporating educational elements, values, or practices into broader spheres or systems.

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