ri2007 Master | Next Rank: 500 Posts View User Profile Posts: 258 Joined: Mon Aug 27, 2007 12:43 pm Thanked: 15 times DS from GMAT Prep by ri2007 » Thu Nov 08, 2007 4:28 pm In the xy –plane, is point (2, – 3) on line ℓ ? (1) Point (– 2, 3) is on line ℓ. (2) ℓ is not perpendicular to the x – axis. Top Quote