Find the Endpoint given Startpoint and Midpoint

[b][color=#c51414]Directions:[/color][/b][br][br]1) In the applet below, note the [color=#0a971e]segment [/color]with [color=#1551b5]endpoint B[/color] and [color=#c51414]MIDPOINT M[/color].[br]2) Algebraically determine the coordinates of the [color=#1551b5]other endpoint (x, y)[/color]. [br]3) [color=#1551b5]Enter in these coordinates in the input boxes provided in the upper left hand corner.[/color][br]4) If you get the problem correct, the applet will indicate this to you. If not, keep trying.[br]5) Click the "New Problem" button to create a new segment with different endpoints.[br]6) Repeat steps (1) - (5).[br][b]7) Repeat steps (5) - (7) as many times as you need in order to master this concept![/b]

Information: Find the Endpoint given Startpoint and Midpoint