Funny how you make a video about mistakes and you make a 5th one. If you didn't catch it here they are. If you watch on mobile you will get the pop up notifications of each one: Corrections: 0:00 Intro 0:29 For this parabola the standard form would be (y-k)^2=4p(x-h) 3:13 Final answer should be (y+4)^2=-1/2(x+1) 3:36 Vertex (-1,-4) 4:00 Vertex opens left 4:56 Focus (-9/8,-4) 5:08 x=-7/8 The best tip for writing the equation of a parabola in conic sections - kzbin.info/www/bejne/fXy0pWZnh799grM