Question

Given A ( 4 , 7 ) and B ( 7 , 3 ). Then AB = ______ *

1 point
The coordinates of the midpoint of a line segment joining A ( 3 , -2 ) and B ( -1 , 4 ) are ______ *

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Answer 1

Answer:

midpoint is (1,1)

AB = (28,21)

Step-by-step explanation:

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Answer 2

Given: A(4,7) and B(7,3)

AB= ( x2-x1)^2+(y2-y1)^2

=(7-4)^2+(3-7)^2

=(3)^2+(-4)^2

=9+16

=25

given:

A(3,-2) and B(-1,4)

midpoint of AB=[(x1+x2)/2,(y1+y2)/2]

AB=[(3-1)/2,(-2+4)/2]

AB=[2/2 , 2/2]

AB=[1 , 1]