Return to GraphMaze Central.
![]()


Add the last two coordinates together to give y.
Now click on the point (-2,y):

Add the last coordinates together to give x.
Click
on (x,-2):

Make the x coordinate your last y coordinate.
The y
coordinate is the opposite:


Use your last y coordinate again.
The x coordinate
is the second triangle number:

Make that triangle number the y coordinate.
For x,
find the next number 5,3,1,?:

Add those coordinates together to give your new y.
For x find the next in the sequence 10,7,4,1,?:
