Evaluate the Determinant $\left| \begin{array} { l l } 7 & 9 \\ 2 & 6 \end{array} \right|$

question 81

Multiple Choice

Evaluate the determinant.
- $\left| \begin{array} { l l } 7 & 9 \\ 2 & 6 \end{array} \right|$

• A) 24
• B) 51
• C) 60
• D) \(- 24\)

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Definitions:

Mollusks

A diverse group of invertebrate animals with a soft body, many of which have a hard shell, including snails, clams, and squid.

Protonephridia

A type of excretory and osmoregulatory system found in some invertebrates, consisting of a network of tubules ending in flame cells.

Nephridia

Excretory organs in many invertebrates, such as annelids, functioning similarly to kidneys in vertebrates by removing waste materials.

Flatworms

A group of invertebrates belonging to the phylum Platyhelminthes, known for their flat bodies and absence of body cavity.