Question

confused.. help please with matrices
https://banff.owschools.com/media/g_alg02_2013/11/t20.gif
a12 =
Am I supposed to just add or?

Answer 1

yes and then find a12

Answer 2

How do you add matrices?

Answer 3

You just add across right?

Answer 4

You add columns

Answer 5

So just adding not multiplying?

Answer 6

yes, not multiplication

Answer 7

Your problem didn't say anything about multiplication!

Answer 8

i dont know what a^12 means

Answer 9

I thought it meant to multiply

Answer 10

in the matrix first row 1 and column 1 is denoted a11
the first number in the matrix is a11 then a12 a13 and so on
you can say it is the position of that number in the matrix

Answer 11

I'm not sure what do start with row or column, I haven't touched this in a long time
I forget. Arow column or Acolumn row? can you check your textbook?

Answer 12

I am taking a pretest to test out of a unit so no textbook . but thank you for the help

Answer 13

Oh, pretest good luck! I checked in the web it is as I said

Answer 14

thank you !

Answer 15

You're wecome!