Answer:
A
Step-by-step explanation:
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It should be B I know how to do it
Answer:
I think it's A or B
Step-by-step explanation:
Answer:
a = 30/5 = 6
Step-by-step explanation:
Answer:
Step-by-step explanation:
The standard equation of a parabola is
y² = 4ax
where, a is the focus,
The coordinates of the centre of parabola is (0,0)
coordinates of focus is (a, 0)
It is symmteric about the x axis
the equation of directrix is x = -a.