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Mathematics 14 Online
OpenStudy (anonymous):

State the vertex of the graph of y=I x+2 I+8 Answer A. (8, -2) B. (2, 8) C. (8, 2) D. (-2, 8)

Directrix (directrix):

D) (-2, 8) Take a look at the graph: http://www.wolframalpha.com/input/?i=+y%3Dabsolute+value+%28+x%2B2%29+%2B8

OpenStudy (mertsj):

D

OpenStudy (anonymous):

8 is the vertical shift

OpenStudy (anonymous):

so you know the y value will be 8

OpenStudy (anonymous):

then I x+2 I

OpenStudy (anonymous):

x+2=0 x=-2

OpenStudy (anonymous):

so it is D (-2,8)

OpenStudy (anonymous):

that should be how its done...

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