Eigenvalues

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The sum of the eigenvalues of a square matrix equals its:

A.Determinant

B.Trace

C.Rank

D.Norm

If Av = λv with v ≠ 0, then λ is called a(n):

A.Eigenvalue

B.Determinant

C.Trace

D.Pivot

Find the eigenvalues of $A = \begin{pmatrix} 1 & -2 \\ 4 & -5 \end{pmatrix}$ .

\lambda = -2,\ 0

\lambda = -3,\ -1

\lambda = 3,\ 1

\lambda = -4,\ 3

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