Question

Could someone help me?

Find -5A + 4B

A = [6 1] B = [-5 -1]
[-4 -6] [-3 -8]
[7 -7] [6 8]

Answer 1

let me see if i can remember how to write a matrix here

Answer 2

the idea is easy enough
first multiply every entry in the first matrix by \(-5\) and every entry in the second by \(4\)
then add them up entry by entry

Answer 3

oh that makes sense! Thank you! :D

Answer 4

oh can you do it now ok?

Answer 5

Yea, Was just confused with the -5A + 4B.

Answer 6

k good