Question

Use a matrix to find the solution to the system of equations.

Answer 1

Possible answers:

(–6, 8)
(6, 8)
(8, –6)
(6, –8)

Answer 2

are you familiar with something called cramer's rule?

Answer 3

yes I tried solving this but i got a really wierd answer that didn't match any of the options

Answer 4

-8 -8| -16
6 -9|-108

Answer 5

get the reduced row echelon form

Answer 6

1 1|2
2 -3|-36

Answer 7

etc

Answer 8

I dont understand then what do i do?

Answer 9

wait gimme a min

Answer 10

http://www.twiddla.com/963507

Answer 11

is x on the left or the right which one is it 1 or 3?