Choose the Equation That Matches the Graph $- 4 x ^ { 2 } = y$

Choose the equation that matches the graph.
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A) $- 4 x ^ { 2 } = y$
B) $y ^ { 2 } = - 4 x$
C) $x ^ { 2 } = - 4 y$
D) $x ^ { 2 } = 4 y$