Question

Matrices variables help?

Answer 1

what do you need help with

Answer 2

I have to find the value of the variables

Answer 3

if two matrices are equal then their corresponding terms will be equal
so 2k=-12
-w^2=-81
2f=-14

Answer 4

So
k= -6
w= -9
f= -7 ?

Answer 5

w=+9 not -9

Answer 6

Oh! Okay, thank you so much!