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Section 10.1. Parabolas. y = a (x – h) 2 + k a > 0 parabola opens up a < 0 parabola opens down Vertex: (h, k) Focus:. Parabolas. Directrix: Axis of Symmetry: x = h Latus Rectum:. Parabolas. x = a (y – k) 2 + h a > 0 parabola opens right
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Parabolas • y = a (x – h)2 + k • a > 0 parabola opens up • a < 0 parabola opens down • Vertex: (h, k) • Focus:
Parabolas • Directrix: • Axis of Symmetry: x = h • Latus Rectum:
Parabolas • x = a (y – k)2 + h • a > 0 parabola opens right • a < 0 parabola opens left • Vertex: (h, k) • Focus:
Parabolas • Directrix: • Axis of Symmetry: y = k • Latus Rectum: