SubArea: Analytical Plane GeometryLevel: AProject ID: 9000106207Accepted: 1Clonable: 0Easy: 1In the following list identify a normal vector to the line \(p\). \[ p\colon - x + 2y + 3 = 0 \]\((1,-2)\)\((2,3)\)\((-1,3)\)\((2,-1)\)
