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# Quack

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Which of the following equations correctly represents the distance between points (1, -1) and (-2, 2)?

Nov 22, 2020
edited by Guest  Nov 22, 2020

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Which of the following equations correctly represents the distance between points (1, -1) and (-2, 2)?

Hello Guest!

$${\color{blue}D=\sqrt{(y_2-y_1)^2+(x_2-x_1)^2}}=\sqrt{(2-(-1))^2+(-2-1)^2}$$

$$D=4.2426$$

!

Nov 22, 2020