Year 7 - Q14.2.10
20776
A shortest route from \(A(-2,-1)\) to \(B(4,3)\) uses only horizontal and vertical grid moves. It must visit \(C(x,1)\), where \(x\) is an integer. Find every value of \(x\) that allows a shortest route of ten units.
Hint
A shortest route makes no unnecessary movement left or down.