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Determine Whether the Matrix Is Invertible [959424303]\left[ \begin{array} { r r r } 9 & 5 & - 9 \\4 & 2 & - 4 \\- 3 & 0 & 3\end{array} \right]

question 27

Multiple Choice

Determine whether the matrix is invertible.
- [959424303]\left[ \begin{array} { r r r } 9 & 5 & - 9 \\4 & 2 & - 4 \\- 3 & 0 & 3\end{array} \right]


Definitions:

Hydrogen Ion Concentration

A measure of the acidity or alkalinity of a solution, often expressed in terms of pH.

pH

A measurement system designed to indicate the level of acidity or alkalinity in water-based solutions, ranging from 0 (highly acidic) to 14 (highly alkaline), with the midpoint, 7, representing a neutral pH.

Buffer

A solution that resists changes in pH when acid or alkali is added to it.

Ionic Substance

A chemical compound composed of ions held together by electrostatic forces termed ionic bonding, typically formed when a metal reacts with a nonmetal.

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