Tangent to a Shifted Vertical Parabola

Rarely Tested

Tangent to a Shifted Vertical Parabola

For:

$$(x-h)^2=4a(y-k)$$

the tangent at parameter $$t$$ is:

$$t(x-h)=y-k+at^2$$

Usage

- Used to obtain the tangent directly for a translated vertical parabola.

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