Write an equation of the parabola in vertex form. passes through (10,-3) and has vertex (5,7) A.y=-2.5(x – 5)2^+ 7 B.y=-2.

Question

Write an equation of the parabola in vertex form.
passes through (10,-3) and has vertex (5,7)
A.y=-2.5(x – 5)2^+ 7
B.y=-2.5(x+5)^+7
C.y=-0.4(x+ 5)2 +7
D.y=-0.4(x – 5)2 +7

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Thái Dương 3 years 2021-08-27T04:24:09+00:00 1 Answers 9 views 0

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    0
    2021-08-27T04:26:07+00:00

    Answer:

    C.y=-0.4(x+ 5)2 +7

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