What is the distance from point A (-2, 1) to point B (1, 3)?

1 Answer
Marvin V.
Dec 2, 2017

#sqrt13#

Explanation:

To solve this problem we will use the distance formula:

#sqrt((x_2-x_1)^2+(y_2-y_1)^2#

We just plug in our two given points.
It doesn't matter which you choice to be #(x_2,y_2)# or #(x_1,y_1)#

For this case I'll let point B = #(x_2,y_2)# and point A = #(x_1,y_1)#

#sqrt((1-(-2))^2+(3-1)^2#

#sqrt((3)^2+(2)^2# = #sqrt(13)#

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