Foci of a Translated Horizontal Ellipse
For:
$$\frac{(x-h)^2}{a^2}+\frac{(y-k)^2}{b^2}=1$$
the foci are:
$$(h-c,k),\quad(h+c,k)$$
Usage
- Used to locate the foci after translating the centre.
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CAT Formulas
Ellipse
Foci of a Translated Horizontal Ellipse
Foci of a Translated Horizontal Ellipse
For:
$$\frac{(x-h)^2}{a^2}+\frac{(y-k)^2}{b^2}=1$$
the foci are:
$$(h-c,k),\quad(h+c,k)$$
Usage
- Used to locate the foci after translating the centre.
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