1. Suppose
$A \left[\matrix{5 \cr 6}\right] = \left[\matrix{5 \cr 13}\right]$,
$A \left[\matrix{3 \cr 5}\right] = \left[\matrix{9 \cr 15}\right]$,
$A \left[\matrix{-1 \cr 3}\right] = \left[\matrix{17 \cr
19}\right]$,
$A \left[\matrix{2 \cr 1}\right] = \left[\matrix{-4 \cr -2}\right]$
State the 2 eigenvalues of $A$:
State 5 eigenvectors of $A$:
Note Quiz over linear algebra next Wednesday. Understand concepts and HW from 7.2 and 7.3