Find the Determinant of the Matrix Below $\left[ \begin{array} { c c } 5 & - 5 \\1 & 1\end{array} \right]$

question 44

Multiple Choice

Find the determinant of the matrix below. $\left[ \begin{array} { c c } 5 & - 5 \\1 & 1\end{array} \right]$

• A) 25
• B) 10
• C) -20
• D) -10
• E) -25

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Definitions:

Real Line

The real line refers to a one-dimensional space where every point represents a real number, stretching infinitely in both positive and negative directions.

Inequality

A mathematical statement that compares two values, showing that one is greater than, less than, or not equal to the other.

Real Number Line

The real number line is a visual representation of all real numbers in a linear arrangement where each point corresponds to a unique real number.

Inequality

A mathematical statement that indicates that two expressions are not equal, using symbols like <, >, ≤, or ≥.