Find the Focus and Directrix of the Parabola $$y ^ { 2 } = - 20 x$$

question 183

Multiple Choice

Find the focus and directrix of the parabola.
- $$y ^ { 2 } = - 20 x$$

• A) (-5, 0); x = 5
• B) (-5, 0); y = 5
• C) (5, 0); x = -5
• D) (0, -5); y = 5

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A financial ratio indicating the percentage of revenue that remains as net income after all expenses, interest, and taxes have been deducted.

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