SOLUTION: The midpoint of segment AB is (4, 2). The coordinates of point A are (2, 7). Find the coordinates of point B.

Question 879963: The midpoint of segment AB is (4, 2). The coordinates of point A are (2, 7). Find the coordinates of point B.

Found 2 solutions by ewatrrr, Fombitz:
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
A(2,7) and Midpoint of AB is M(4,2), Find point B
Midpoint Pt(x,y): ( , )
(2+x)/2 = 4, x = 6
(7+y)/2 = 2, y = -3
B(6,-3)
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!

The midpoint is the average of the x values and y values of A and B.

.
.

.
.
.

RELATED QUESTIONS
The midpoint of segment AB is M(3, 4). The coordinates of point A are (-2, 7). Find the... (answered by stanbon)
The midpoint of segment AB is (1,2). The coordinates of A are (-3,6). Find the... (answered by geetha_rama)
if the coordinates of the end point of ab are a(-6,3) b(2,-3) and the midpoint is (2.5,1) (answered by bucky)
The coordinates of M, the midpoint of AB, is (-1,2). If the coordinates of A are (3,-6),... (answered by josmiceli)
Point M is the midpoint of AB. The coordinates of point A are (-8, 3) and the coordinates (answered by Boreal,ikleyn)
The midpoint of segment AB is (0,1/2). if endpoint A is (2,-2), find the coordinates of... (answered by Edwin McCravy)
M is the midpoint of segment AB. Find the coordinates of B if the coordinates of A are... (answered by lwsshak3)
M is the midpoint of line segment AB. The coordinates of M are (1, 3) and the coordinates (answered by stanbon)
Line segment AB has a slope of -2/3. if the coordinates of point B are (3,-6), then the... (answered by josgarithmetic,MathTherapy)