Find the Standard Form of the Equation of the Parabola $y ^ { 2 } = 4 x$

question 89

Multiple Choice

Find the standard form of the equation of the parabola with the given characteristic(s) and vertex at the origin. ​
Directrix: y = -1
​

• A) \(y ^ { 2 } = 4 x\)
• B) \(x ^ { 2 } = - \frac { y } { 4 }\)
• C) \(x ^ { 2 } = 4 y\)
• D) \(y ^ { 2 } = - 4 x\)
• E) \(x ^ { 2 } = - 4 y\)

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A discount rate employed to ascertain the present worth of future cash flows within discounted cash flow analysis.

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