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Select the slope of the line that passes through the two points.$\newline$\begin{tabular}{|c|c|c|c|}$\newline$\hline & $-\frac{2}{3}$ & $0$ & Undefined \\$\newline$\hline$(12,-2)$ and $(3,4)$ & Select Choice $\vee$ & Select Choice $\vee$ & Select Choice $\vee$ \\$\newline$\hline$\newline$\end{tabular}