Solve the following system of equations:

4x + 7y − 2z = 0
3x − 5y + 3z = 9
3x + 6y − z = 1

A. (−1, 0, −2)

B. (1, 0, −2)

C. (−1, 0, 2)

D. (1, 0, 2)

Question

Solve the following system of equations:

4x + 7y − 2z = 0
3x − 5y + 3z = 9
3x + 6y − z = 1

A. (−1, 0, −2)

B. (1, 0, −2)

C. (−1, 0, 2)

D. (1, 0, 2)

nnesha · Answer

use matrices method

nnesha · Answer

do you have calculator??

anonymous · Answer

Yes, I have a calculator.
And how does Matrices Method work?

anonymous · Answer

system of linear equations ?

nnesha · Answer

if we do by hand so its take too much to solve that's why and also my teacher allowed us to use calculator so we did in calculator

nnesha · Answer

do you know how to find matrices in calculator

anonymous · Answer

Nope. Can you show me how?

nnesha · Answer

sure :)

nnesha · Answer

ok go to 2nd and then click MATRX

nnesha · Answer

here is first click yellow and then other

nnesha · Answer

http://www.youtube.com/watch?v=boK_8kkYLCA here is a video for tutorial for how to find matrix in calculator but remember in your question you have 3 variable so for [A] you should do 3 by 3 hope its help