What is the general equation for a parabola?
The "general" form of a parabola's equation is the one you're used to, y = ax2 + bx + c —
unless the quadratic is "sideways"
in which case the equation will look something like x = ay2 + by + c.
The important difference in the two equations is in which variable is squared: for regular (vertical) parabolas, the x part is squared; for sideways (horizontal) parabolas, the y part is squared.
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