Homework Help: math

Posted by mary on Wednesday, July 30, 2008 at 11:23am.

Find the distance between each pair of points.

(-3,0)and(4,0)

math - Reiny, Wednesday, July 30, 2008 at 11:31am
This one is easy, notice that both your points are on the x-axis.
So you are just going from -3 to +4 which would be 7 units

in general for two points (x1,y1) and (x2,y2)
the distance between them is
SQRT((x2-x1)^2 + (y2-y1)^2)

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