Question

HELP ME QUICK: Suppose AB has one endpoint at A(0, 0). If (5, 3) is the midpoint of AB, what are the coordinates of point B?

Answer 1

Explanation:

Let the coordinates of B be (x,y)

`5=(0+x)/(2)\\x=5 * 2=10\\3=(0+y)/(2)\\y=3 * 2=6\\so~B~is~(10,6)`