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How to calculate the focus of …

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How to calculate the focus of parabola if the equation is given
  • 1 answers

Thvija S 6 years, 7 months ago

you have the equation of a parabola in vertex form y=a(x−h)2+k, then the vertex is at (h,k) and the focus is (h,k+14a).

This is a parabola with a vertical axis of symmetry, so the x-coordinate of the focus is the same as the x-coordinate of the vertex.
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