Simplify Complex Rational Expressions
- $$\begin{array} { r } 9 x + 5 z = 65 \\3 y + 6 z = 27 \\2 x + 8 y + 6 z = 42\end{array}$$

question 31

Multiple Choice

Simplify Complex Rational Expressions
- $$\begin{array} { r } 9 x + 5 z = 65 \\3 y + 6 z = 27 \\2 x + 8 y + 6 z = 42\end{array}$$

• A)
• \(\left[ \begin{array} { l l l | l } 9 & 0 & 5 & 65 \\ 0 & 3 & 6 & 27 \\ 2 & 8 & 6 & 42 \end{array} \right]\)
• B)
• \(\left[ \begin{array} { l l | l | l } 9 & 0 & 2 & 65 \\ 0 & 3 & 8 & 27 \\ 5 & 6 & 6 & 42 \end{array} \right]\)
• C)
• \(\left[\begin{array}{lll|l}
• 9 & 5 & 0 & 65 \\
• 3 & 6 & 0 & 27 \\
• 2 & 8 & 6 & 42
• \end{array}\right]\)
• D)
• \(\left[\begin{array}{lll}
• 9 & 0 & 5 \\
• 0 & 3 & 6 \\
• 2 & 8 & 6
• \end{array}\right]\)

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Definitions:

S Phase

A phase of the cell cycle in which DNA is replicated, preparing cells for cell division.

Cytokinesis

The process in cell division where the cytoplasm divides, creating two separate cells.

Telophase

is the final phase of cell division, during which chromosomes de-condense and two new nuclear envelopes begin to form.

Prophase

The first stage of cell division (mitosis and meiosis), wherein chromosomes become visible, and the nuclear envelope breaks down.