Find the entries of the following matrices:

Question

(a) the 2 ×2 matrix M for the reflection across the line y = x.
(b) the 2 ×2 matrix N for the 90 degree counterclockwise rotation about the origin.
(c) the product MN;what transformation does this represent?
(d) the product NM; what transformation does this represent?
(e) the product MM; what transformation does this represent?

Answer 1

i hate exeter too

Answer 2

atleast exeter got rid of this. now it's peddie's problem

Answer 3

no we literally still have to do it. still Exeters problem sadly