Question

Write the following system of equations as a matrix:
5x+3y=14
x-y=1

Answer 1

x y z rhs
5 3 0 14
1 1 0 1
0 0 0 0

is the answer, right?

Answer 2

The 1 is -1, second row, second column.

Answer 3

o yeah duh

Answer 4

Also the z-column is not necessary. You can drop that one and also drop the last row.

Answer 5

but it is ok to keep it right?

Answer 6

It's not wrong, just pointless.

Answer 7

yeah, ok. im just gonna keep it because we've been using x, y, z matrices

Answer 8

All right then.

Answer 9

thanks for the backup lol

Answer 10

Sure, no problem.