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Type: Multiple-Choice
Category: Quadratic Equations and Expressions
Level: Grade 12
Standards: HSG-GPE.A.2
Author: jjstanley
Last Modified: 6 years ago

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Grade 12 Quadratic Equations and Expressions CCSS: HSG-GPE.A.2

What is the equation of a parabola with the focus at

$(-1,18)$ and directrix of

$y=12$ ?

$(x-1)^2=12(y+15)$
$((x+1)^2)/12=y-15$
$(x+1)^2+18=12y$
$(x+1)^2=4(y-15)$