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OpenStudy (anonymous):
Which of the following equations is of a parabola with a vertex at (0, -3)? y = (x - 3)^2 y = (x + 3)^2 y = x^2 - 3 y = x^2 + 3
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OpenStudy (anonymous):
y=x^2+3, why? because if you put the x which 0 in this formula you would get the y which is -3.Clear enough?
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