PLEASEEE I NEED HELP Given the function f(x) = x2 – 8x + 9 a) Use completing the square to express the given

Question

PLEASEEE I NEED HELP

Given the function f(x) = x2 – 8x + 9
a) Use completing the square to express the given function in vertex form.
b) State the coordinates of the vertex.

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Thiên Thanh 2 weeks 2021-09-02T08:51:47+00:00 1 Answers 0 views 0

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    2021-09-02T08:53:12+00:00

    Y=(x+4)^2-25 , (4,-25)

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