Respuesta :
Answer:
- 864
Step-by-step explanation:
In the case of a 2 × 2 matrix the determinant may be defined as:
|A| = [tex]\left[\begin{array}{cc}a&b\\c&d\\\end{array}\right][/tex]= ad-bc
Given in the question a matrix
[tex]\left[\begin{array}{cc}-30&-6\\6&30\\\end{array}\right][/tex]
(-30)(30) - (-6)(6)
-900 + 36
- 864
Answer:
Option A: -30
For Odyssey
**If you are on the pre-test then you might wanna take your time because they can suspect if you are cheating**