Find the Inverse, If It Exists, for the Matrix $$\left[ \begin{array} { r r } 0 & - 5 \\- 1 & 5\end{array} \right]$$

question 21

Multiple Choice

Find the inverse, if it exists, for the matrix.
- $$\left[ \begin{array} { r r } 0 & - 5 \\- 1 & 5\end{array} \right]$$

• A)
• \[\left[ \begin{array} { r r }
• 0 & - 1 \\
• - \frac { 1 } { 5 } & - 1
• \end{array} \right]\]
• B)
• \(\left[\begin{array}{rr}
• -1 & -1 \\
• -\frac{1}{5} & 0
• \end{array}\right]\)
• C)
• \[\left[ \begin{array} { r r }
• - \frac { 1 } { 5 } & 0 \\
• - 1 & - 1
• \end{array} \right]\]
• D)
• \[\left[ \begin{array} { c c }
• - 1 & 1 \\
• \frac { 1 } { 5 } & 0
• \end{array} \right]\]

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Definitions:

Fertilization

The union of the ovum and sperm.

Recessive

Pertaining to a gene that is expressed in the phenotype only when its allele is identical, needing two copies (one from each parent) to exhibit the trait.

Dominant

Referring to a trait, gene, or characteristic that supersedes another in genetic expression when both are present.

Ovum

The female sex cell, or egg.