Choose the Equation That Matches the Graph $- 2 y ^ { 2 } = x$

Choose the equation that matches the graph.
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A) $- 2 y ^ { 2 } = x$
B) $y ^ { 2 } = 2 x$
C) $y ^ { 2 } = - 2 x$
D) $x ^ { 2 } = - 2 y$