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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.

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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4 votes
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.

asked
User StephenMeehan
by
8.1k points

1 Answer

4 votes
Y=(x+4)^2-25 , (4,-25)
answered
User Andrew Romanov
by
8.8k points
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