Question

The coordinates of the midpoint of GH¯¯¯¯¯¯¯¯are M(8, 0) and the coordinates of one endpoint are H(−2, 9).

Answer 1

G(18;-9).

Explanation:

the x-coordinate of the point G is:

`X_G=2*X_M-X_H=16+2=18;`

the y-coordinate of the point G is:

`Y_G=2*Y_M-Y_H=0-9=-9.`