Question

Point M is the midpoint of AB. The coordinates of point A are (−7, 1) and the coordinates of M are (−4, 1). What are the coordinates of point B?

Answer 1

The coordinates of B are (4, -1).

Explanation:

Check by adding the A and B points and taking the average: -8+4 divided by 2 is -4/2=-2.

-1+3/2 is 2/2=1

hope that helps!