Please Answer and explain. Thankyouu

6.) Aside from the examples given in this module, Where can parabolas be applied in real life? 7.) What will happen to the standard form of the equation if the center is located at the origin, or at (0,0) 8.) What variable should be squared in the equation so that the axis of symmetry is horizontal? Vertical? 9.) What can be said about the location of the focus and the directrix with respect to the vertex