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2 years ago

Find the equation of the parabola with its vertex at the origin and focus at (–3, 0).

2 answers:

8 0

This is a horizontal parabola and the coordinates of vertex are ( 0, 0 ).
Also the coordinates of focus are: F ( -3, 0 )
so f = -3 and p = 2 f = 2 * ( - 3 ) = - 6
The formula is:
x² = 2 p y
x² = 2 * ( - 6 ) y = - 12 y
Answer:
The equation of the parabola is:
x² = - 12 y.

damaskus [11]2 years ago

6 0

Answer:

y^2=-12x

Step-by-step explanation:

got it right on Ed

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