Question

is [-4 0 4] [ 6 -1] possible to multiply?
0 2
1 0

Answer 1

sorry only if the multiplication is set up like this

mxn * nxp

where p is any values

Answer 2

So the number of columns for the first matrix have to be the same as the number of rows in the second matrix.

You understand that?

Answer 3

What are the number of columns in the first matrix?

Answer 4

-4 0 4

Answer 5

I draw lines to represent the columns and rows.
Vertical lines are columns
Horizontal line are rows

Can you tell me the number of columns in the first matrix? Just count the number of vertical lines