# Find the equation of directrix and focus of the parabola (x-2)^2=8(y+1)?

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The equation of the directrix of the parabola (x - 2)^2 = 8(y + 1) is y = -2. The equation of the focus is (2, 1).

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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