Eigenvectors

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Which of these is an eigenvector of $A = \begin{pmatrix} 1 & 0 \\ 12 & -3 \end{pmatrix}$ corresponding to the eigenvalue $\lambda = 1$ ?

\begin{pmatrix} 3 \\ 2 \end{pmatrix}

\begin{pmatrix} 0 \\ 1 \end{pmatrix}

\begin{pmatrix} 1 \\ 3 \end{pmatrix}

\begin{pmatrix} 1 \\ 4 \end{pmatrix}

Which of these is an eigenvector of $A = \begin{pmatrix} 7 & -10 \\ 5 & -8 \end{pmatrix}$ corresponding to the eigenvalue $\lambda = 2$ ?

\begin{pmatrix} 1 \\ 3 \end{pmatrix}

\begin{pmatrix} 2 \\ 1 \end{pmatrix}

\begin{pmatrix} 3 \\ 2 \end{pmatrix}

\begin{pmatrix} 1 \\ 1 \end{pmatrix}

Which of these is an eigenvector of $A = \begin{pmatrix} -3 & -4 \\ 0 & 1 \end{pmatrix}$ corresponding to the eigenvalue $\lambda = -3$ ?

\begin{pmatrix} 0 \\ 2 \end{pmatrix}

\begin{pmatrix} 1 \\ 0 \end{pmatrix}

\begin{pmatrix} 1 \\ -1 \end{pmatrix}

\begin{pmatrix} 2 \\ -1 \end{pmatrix}

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