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Mathematics 11 Online
OpenStudy (anonymous):

What is the opening direction of the parabola with the equation x = –y^2? A. Left B. Right C. Up D. Down

OpenStudy (anonymous):

it open left

OpenStudy (anonymous):

\(y^2 = 4ax\) --> opens right \(y^2 = -4ax\) --> opens left \(x^2 = 4ay\) --> opens up \(x^2 = -4ay\) --> opens down

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