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21.) Determine the distance between the points (-2, 3) and (4,9).A 142B 7146C 413D 6V222.) Infigure

21.) Determine the distance between the points (-2, 3) and (4,9).A 142B 7146C 413D-example-1
User Riplikash
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1 Answer

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The distance formula can be represented below


\begin{gathered} c^{}=\sqrt[]{(x_2-x_1)^2+(y_2-y_1)^2} \\ \end{gathered}

Therefore,


\begin{gathered} c=\sqrt[]{(4+2)^2+(9-3)^2} \\ c=\sqrt[]{(6)^2+(6)^2} \\ c=\sqrt[]{36+36} \\ c=\sqrt[]{72} \\ c=\sqrt[]{36*2} \\ c=6\sqrt[]{2} \end{gathered}

The answer is D.

User Xengravity
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