Find X in this question
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so, is a semi-circle, half a circle, recall a circle has a total of 360°, so half of that will be 180°.
the diameter of that circle is 10, so its radius is half that, or 5.
Rewrite the parabola in standard form and use this formula to find the vertex (h,k).
= (2,-1)
= (2,-1)