A parabola can be represented by the equation x2 = – 20y. What are the coordinates of the focus of the parabola? O(-5,0)

Question

A parabola can be represented by the equation x2 = –
20y.
What are the coordinates of the focus of the parabola?
O(-5,0)
O (5,0)
0 (0,5)
0 (0,-5)

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Nem 9 mins 2021-07-22T11:28:55+00:00 2 Answers 0 views 0

Answers ( )

    0
    2021-07-22T11:30:08+00:00

    Answer:

    ( 0 , -5 )

    Step-by-step explanation:

    0
    2021-07-22T11:30:28+00:00

    Answer:

    A parabola is the locus of points such that the distance to a point the focus equals the distance to a line the directrix.

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )