The equation below describes a parabola. If a is positive, which way does the parabola open?y = ax2A.RightB.LeftC.UpD.Down

The graph of parabola opens downwards, if _______a) a ≥ 0b) a = 0c) a < 0d) a > 0

In which direction does the parabola y–6x2=–6 open?

In which direction does the parabola y=–9(x–8)2+5 open?updownrightleftSubmit

The graph of parabola opens downwards, if _______

Which equation describes a parabola that opens left or right and whose vertex is at the point (h, v)?A.y = a(x - v)2 + hB.y = a(x - h)2 + vC.x = a(y - v)2 + hD.x = a(y - h)2 + vSUBMITarrow_backPREVIOUS