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Which translation maps the vertex of the graph of the function f(x) = x2 onto the vertex of the function g(x) = –8x + x2 + 7 ? A. left 4, down 9 B. left 4, up 23 C. right 4, down 9 D. right 4, up 23
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5 votes
Which translation maps the vertex of the graph of the function f(x) = x2 onto the vertex of the function g(x) = –8x + x2 + 7 ?

A. left 4, down 9
B. left 4, up 23
C. right 4, down 9
D. right 4, up 23

User Kesara Wimal
by
8.0k points

1 Answer

5 votes
Find the zeros by factoring
Y=(x-7)(x-1)
X=7
X=1
Find axis of symmetry
1+7/2
8/2
X=4
Sub into equation
(4-7)(4-1)
(-3)(-3)
Y=9
Vertex: (4,-9)
The Answer is C
User Navarro
by
8.3k points
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