Find the vertex, focus, and directrix of the parabola. Use a graphing utility to graph the parabola. x24x+ 12y+40 = o vertex (X, y) = ( 2. 3 ) focus (X, y) = ( ) directrix Graph Layers 1K After you add an object to the graph you _ _ . i . a O can use Graph Layers to View and edit its a properties. Fill Mmhmm'dmn) '3 -109-8-?--5-4-3-2-1 12345678910 WebAasign. Graphing Tool