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OpenStax, Algebra and Trigonometry 2e §12.3 The Parabola · Exercise 7 · Geometry · Conic sections

The Parabola · Exercise 7

If the equation of a parabola is written in standard form and is negative and the directrix is a horizontal line, then what can we conclude about its graph?

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OpenStax, Algebra and Trigonometry 2e · §12.3 The Parabola · Exercise 7

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