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purplemexican
 one year ago
What is the vertex of the graph of y = 3x^2 + 2x + 1?
purplemexican
 one year ago
What is the vertex of the graph of y = 3x^2 + 2x + 1?

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Nnesha
 one year ago
Best ResponseYou've already chosen the best response.1formula to find xcoordinate of vertex \[\huge\rm x= \frac{ b }{ 2a }\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0You're reading my mind @Nnesha ! :D

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.1then substitute x by xcoordinate to find y

jdoe0001
 one year ago
Best ResponseYou've already chosen the best response.0\(\bf \textit{vertex of a parabola}\\ \quad \\ y = {\color{red}{ 3}}x^2{\color{blue}{ +2}}x{\color{green}{ +1}}\qquad \left(\cfrac{{\color{blue}{ b}}}{2{\color{red}{ a}}}\quad ,\quad {\color{green}{ c}}\cfrac{{\color{blue}{ b}}^2}{4{\color{red}{ a}}}\right)\)
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