Go to student.desmos.com code: 2JB29
Make sure you are logged into DESMOS under your student google account. If you don't login with google, you can't get these bonus points.

Type x = - 18.5 { -9.5 < y < 10 } into the equation line. Play with the numbers until the segment is on "START". Finish the maze. You know you are finished when your last graph lands on "FINISH".