The set of points \( (x, y) \) whose distance from the line \( y=2 ...

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The set of points \( (x, y) \) whose distance from the line \( y=2 x+2 \) is the same as the distance from \( (2,0) \) is a parabola. This parabola is congruent to the parabola in standard form \( y=K x^{2} \) for
P some \( K \) which is equal to :

W
(a) \( \frac{\sqrt{5}}{12} \)
(b) \( \frac{\sqrt{5}}{4} \)
(c) \( \frac{4}{\sqrt{5}} \)
(d) \( \frac{12}{\sqrt{5}} \)
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