Find the Value of the Determinant $\left| \begin{array} { c c } - 5 & - 5 \\b & a\end{array} \right|$

question 245

Multiple Choice

Find the value of the determinant.
$\left| \begin{array} { c c } - 5 & - 5 \\b & a\end{array} \right|$

• A) 5a - 5b
• B) 25 - ab
• C) ba - 25
• D) -5a+5b

---

Definitions:

Basic Rest-activity Cycle

A circadian rhythm concept suggesting that individuals have intrinsic cycles of rest and activity, notably proposed by sleep researcher Nathaniel Kleitman.

1 Hour

A measure of time equivalent to 60 minutes or 3,600 seconds.

1.5 Hours

A measure of time equivalent to ninety minutes.

3.5 Hours

A period of time equal to three and a half hours or 210 minutes.