A parabola has a vertex at open paren 0 comma 0 close paren The equation for the directrix of the parabola is x is equal to negative 4 In which direction does the parabola open?

The directrix is the vertical line x = −4, which lies to the left of the vertex at (0, 0). A parabola opens toward its focus, on the opposite side of the vertex from its directrix, so it opens to the right. The correct choice is right.

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