Exam (elaborations)
Circle, parabola, ellipse, hyperbola formulas with 100% correct answers
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circle formula (x-h)² + (y-k)² = r² circle center h,k 00:02 01:28 circle radius r distance formula √(y1-y2)² + (x1-x2)² midpoint formula (x1+x2)/2, (y1+y2)/2 parabola formula (vertical symmetry) (x-h)²=4p(y-k) parabola vertex h, k ...
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