Find the focus and directrix of the following parabola: \( (y-6)^{2}=12(x-2) \) Focus: \( ([?], \square]) \) Directrix: \( x=\square \)
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Let’s break down your parabola \( (y-6)^{2}=12(x-2) \)! This is a horizontally oriented parabola since it opens to the right. The standard form \( (y-k)^{2}=4p(x-h) \) reveals the vertex at \( (h, k) \). Here, \( h = 2 \) and \( k = 6 \), so the vertex is at \( (2, 6) \). To find the focus and directrix, calculate \( p \) by relating it to the coefficient \( 12 \) in the equation: \( 4p = 12 \) → \( p = 3 \). The focus lies \( p \) units from the vertex along the x-axis, giving us the focus at \( (2 + 3, 6) = (5, 6) \). The directrix, which is \( p \) units in the opposite direction, is at \( x = 2 - 3 = -1 \). Focus: \( (5, 6) \) Directrix: \( x = -1 \)