DONT SEND LINK OR FILE THINGS LIKE THAT The picture is the line slope

The line slope is -4

I need to find the equation for the line and I can’t find it

It would go something like
Y=_

It goes y=-4x+?

PLEASE HELP

To diagonalize an nxn matrix a means to find an invertible matrix p and a diagonal matrix d such that a pdp d p ap or [1 3 dh epap 3 let a=-3 -5 -3 3 3 1 step 1: find the eigenvalues of matrix a "2's" step 2: find the corresponding eigenvectors of a step 3: createp from eigenvectors in step 2 step 4 create d with matching eigenvalues.