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Anonymous Anonymous
  • 19-02-2016
  • Mathematics
Answered

The axis of symmetry for the graph of the function f(X)=3x^2+bx+4 is X=3/2. What is the value of b?

Verified Answer :

apologiabiology
apologiabiology apologiabiology
  • 19-02-2016

remember that the axis of symetry is x=value of how far it is from the origin

also remember that the vertex formula is -b/(2a) so
a=3
3/2=-b/(2(3))
3/2=-b/(6)
mutiply both sides by 6
18/2=-b
9=-b
multily both sides by -1
-9=b

so the equation is
f(x)=3x^2-9x+4

b=-9

Answer Link
halobaidi0 halobaidi0
  • 11-04-2021

Answer:

-9

Step-by-step explanation:

Answer Link

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