Question 721659
Find the line of summetry.

f(x)=3x2 - 12x + 7

Possible answers:

A) (-2,5)
B) (5,-2)
C) (-5,2)
D) (2,-5)
E) None
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The LOS is x = -b/2a = 12/6
x = 2
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None of A thru D are lines, they're points.
--> E) None
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f(2) = -5 makes the vertex (2,-5)