Question

which matrix represents the system of equations below?

Answer 1

the last one.

Answer 2

thank you :)

Answer 3

Anytime.

Answer 4

The system equations of three independent variables requires three equations.
Generally
A Xi = B : Xi is a column matrix of x, y, z : A is a 3 by 3 matrix consisting of the coefficients of each equation variable. B is the results of each equations. This is sometime represented with a Augmented matrix which is 3 by 4 with the last column being B

Answer 5

thank you :)