Evaulate the determinate?

1 ⤊

| 8 0 0|
|-16 7 8|
| 8 4 5|

possible answers are the following:

a. 24
b. 248
c. 312
d. 536

2007-06-15 06:36:28 · 2 answers · asked by boswelltrinity 1 in Science & Mathematics ➔ Mathematics

Since the top row has 2 zeros, expand by the
top row to get
8 * | 7 8 |
..... | 4 5 |
which equals 8(35-32) = 24.
The answer is a. 24.

2007-06-15 06:45:02 · answer #1 · answered by steiner1745 7 · 1⤊ 0⤋

a. 24

2007-06-15 14:11:08 · answer #2 · answered by skipper 7 · 0⤊ 0⤋