Exercise 42

Evaluate

\begin{equation*} \displaystyle \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2} \end{equation*}

for \(x_1 = -2\text{,}\) \(x_2 = 4\text{,}\) \(y_1 = -8\text{,}\) and \(y_2 = -16\text{:}\)

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