Find the Focus and Directrix of the Parabola $- \frac { 1 } { 28 } x ^ { 2 } = y$

question 110

Multiple Choice

Find the focus and directrix of the parabola.
- $- \frac { 1 } { 28 } x ^ { 2 } = y$

• A) (0, -7); y = 7
• B) (-14, 0); x = 7
• C) (0, 7); y = -7
• D) (0, -7); y = -7

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