Use a graphing calculator to approximate the vertex of the graph of the parabola defined by the following equation. y = x squared + 2

Question

Use a graphing calculator to approximate the vertex of the graph of the parabola defined by the following equation.
y = x squared + 2 x minus 9
a.
(-1, -10)
c.
(1, 10)
b.
(-1, -9)
d.
(1, -10)

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Diễm Kiều 5 years 2021-09-04T15:46:15+00:00 2 Answers 59 views 0

Answers ( )

  1. minhkhue
    0
    2021-09-04T15:47:30+00:00
    Reply

    Answer:

    A

    Step-by-step explanation:

    nfvncek

  2. hongcuc2
    0
    2021-09-04T15:47:30+00:00
    Reply

    Answer:

    well you messed up c and b so i think either d or a

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