Write an Equation for the Parabola with Vertex at the Origin

question 440

Multiple Choice

Write an equation for the parabola with vertex at the origin.
-Through $( - 9,9 )$ , opening to the left

• A) \(x = \frac { 1 } { 9 } y ^ { 2 }\)
• B) \(x = - 9 y ^ { 2 }\)
• C) \(x ^ { 2 } = 9 y\)
• D) \(y ^ { 2 } = - 9 x\)

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Definitions:

Poison Pill

A strategy employed by companies to thwart hostile takeovers by making their stock less attractive to potential acquirers.