Question

CAN YOU HELP ME FIND THE DETERMINANTS OF THE FOLLOWING MATRICES PLEASE???

[2 8
4 2]

[20 30
-3 5]

Answer 1

8 x 4 is 32
2 x 2 is 4

Answer 2

30 x -3 is 27
20 x 5 is 100

Answer 3

I am not quite sure where to go from here...

Answer 4

Oh! Got it Determinant of the first is -28

Answer 5

the other is 190

Answer 6

\[\left[\begin{matrix}2 & 8\\ 4 & 2\end{matrix}\right]\]
Glad you've gotten it. Let me know if you have further questions.

Answer 7

Thanks!