Solve the Problem $x ^ { 2 } = - \frac { 9 } { 7 } y$

question 58

Multiple Choice

Solve the problem.
-A parabolic arch forms a structure that allows equal vertical loading along its length. Take the origin at the vertex of the parabolic arch, and write an equation of the parabola.

• A) \(x ^ { 2 } = - \frac { 9 } { 7 } y\)
• B) \(x ^ { 2 } = - \frac { 7 } { 405 } y\)
• C) \(x ^ { 2 } = \frac { 405 } { 7 } y\)
• D) \(x ^ { 2 } = - \frac { 405 } { 7 } y\)

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