A Matrix Has an Inverse If and Only If Its $$\left[ \begin{array} { l l l } 1 & 2 & 3 \\2 & 0 & 5 \\1 & 2 & 3\end{array} \right]$$

question 112

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.
- $$\left[ \begin{array} { l l l } 1 & 2 & 3 \\2 & 0 & 5 \\1 & 2 & 3\end{array} \right]$$

• A) Yes
• B) No

---

Definitions:

Hemoglobin

A protein found in red blood cells responsible for transporting oxygen from the lungs to the rest of the body and returning carbon dioxide back to the lungs.

CO

Carbon monoxide, a colorless, odorless gas formed by incomplete combustion of carbon-containing materials, toxic to humans and animals when inhaled.

Carboxyhemoglobin

A complex formed by the binding of carbon monoxide to hemoglobin, which can impede the blood's ability to transport oxygen.

Hemoglobin

A protein in red blood cells that carries oxygen from the lungs to the rest of the body and returns carbon dioxide to be exhaled.