Find the Standard Form of the Equation of the Parabola $x ^ { 2 } = - 12 y$

question 427

Multiple Choice

Find the standard form of the equation of the parabola with the given characteristic(s) and vertex at the origin.
Directrix: x = 3

• A) \(x ^ { 2 } = - 12 y\)
• B) \(y ^ { 2 } = 12 x\)
• C) \(y ^ { 2 } = \frac { x } { 12 }\)
• D) \(x ^ { 2 } = 12 y\)
• E) \(y ^ { 2 } = - 12 x\)

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