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Mathematics

AntonyTheGreatest:

The axis of symmetry for the graph of the function f(x)=3x2+bx+4 is x equals three-halves. What is the value of b?

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AntonyTheGreatest:

−18 −9 9 18

AntonyTheGreatest:

forgot these

helpandlearnandchat:

Do the same thing like last time, just mess around with desmos

AntonyTheGreatest:

0,5?

helpandlearnandchat:

\(ax^2+bx+c\\3x^2-4.5x+4\)

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AntonyTheGreatest:

duh im dum

AntonyTheGreatest:

9?

AntonyTheGreatest:

18?

AntonyTheGreatest:

-9?

AntonyTheGreatest:

-18?

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helpandlearnandchat:

wait i did something wrong

helpandlearnandchat:

AntonyTheGreatest:

lol

AntonyTheGreatest:

there is no decimedls

helpandlearnandchat:

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AntonyTheGreatest:

NO DECIMALS

helpandlearnandchat:

... do you see what i underlined in red

helpandlearnandchat:

"What is the value of b?" do you even know what it's referring to?

AntonyTheGreatest:

-9?

helpandlearnandchat:

yes..

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AntonyTheGreatest:

duuuuuuuuh im blind

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