Practice problem
Let A=(0,0)A = (0,0)A=(0,0) and B=(4,0)B = (4,0)B=(4,0). Find the number of lattice points P=(x,y)∈{0,1,2,3,4}2P = (x,y)\in \{0,1,2,3,4\}^2P=(x,y)∈{0,1,2,3,4}2 in the plane such that PA<PBPA < PBPA<PB.
10
12
14
15
Type a concept, like “slope” or “photosynthesis”.
