The equation y2+2y−8x=0y^2 + 2y - 8x = 0y2+2y−8x=0 can be rewritten as a parabola. What is the vertex?
(0,0)(0, 0)(0,0)
(−14,−1)(-\frac{1}{4}, -1)(−41,−1)
(14,−1)(\frac{1}{4}, -1)(41,−1)
(0,−1)(0, -1)(0,−1)