Charla wants to determine the vertex of the function f (x) = x2 - 18x 60 by changing the function into vertex form. which statement about the vertex of the function is true? the x-coordinate of the vertex is greater than the y-coordinate. the x-coordinate of the vertex is negative. the y-coordinate of the vertex is greater than the y-intercept. the y-coordinate of the vertex is positive.

Question

Mathematics

Glenn Pham

12 August, 23:55

Charla wants to determine the vertex of the function f (x) = x2 - 18x 60 by changing the function into vertex form. which statement about the vertex of the function is true? the x-coordinate of the vertex is greater than the y-coordinate. the x-coordinate of the vertex is negative. the y-coordinate of the vertex is greater than the y-intercept. the y-coordinate of the vertex is positive.

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Answers (1)

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Lincoln Dorsey · Answer 1

F (x) = x^2 - 18x + 60

f (x) = x^2 - 18x + 81 + 60 - 81

f (x) = (x - 9) ^2 - 21

Vertex = (9, - 21)

The x-coordinate of the vertex is greater than the y-coordinate.