Bailey A.
asked 04/19/19Math parabolas help
which equation represents a parabola opening upward with a vertex at the origin and a focus at (9,0)
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1 Expert Answer
Inactive Tutor answered 04/20/19
Tutor
New to Wyzant
The basic form of a parabola opening upward with its vertex at the origin is
x2=4py
p is the distance from the vertex to the focus. That must mean p=9, we can plug this in to get
x2=4(9)y
x2=36y
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Inactive Tutor
Because the parabola vertex at the origin, so the equation sure be y=ax^2 or x=ay^2 base on the focus is (9,0) sure be open right, so a=1/4P =9/4, so the parabola will be X = 9/4 X^204/19/19