Find the eigenvalues of the matrix
A = \left[\begin{array}{cc}
-44 &-32\cr
-32 &4
\end{array}\right].

Enter the two eigenvalues, separated by a comma.

Classify the quadratic formQ(\vec{x}) = \vec{x}^TA\vec{x}:

** A. ** Q(\vec{x}) is negative semidefinite

** B. ** Q(\vec{x}) is positive semidefinite

** C. ** Q(\vec{x}) is indefinite

** D. ** Q(\vec{x}) is positive definite

** E. ** Q(\vec{x}) is negative definite

Enter the two eigenvalues, separated by a comma.

Classify the quadratic form

You can earn partial credit on this problem.