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sierra14
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determine the vertex and the axis of symmetry for the function Y=x^2+2x+1
 3 years ago
 3 years ago
sierra14 Group Title
determine the vertex and the axis of symmetry for the function Y=x^2+2x+1
 3 years ago
 3 years ago

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sierra14 Group TitleBest ResponseYou've already chosen the best response.0
\[Y=x^2+2x+1\]
 3 years ago

Chandman Group TitleBest ResponseYou've already chosen the best response.0
Can Somebody help me please D:
 3 years ago

satellite73 Group TitleBest ResponseYou've already chosen the best response.1
same magic formula as before. use \[\frac{b}{2a}\] for the first coordinate of the vertex. second coordinate is what you get when you plug it in
 3 years ago

satellite73 Group TitleBest ResponseYou've already chosen the best response.1
in this case a = 1, b = 2 so \[\frac{b}{2a}=\frac{2}{2\times(1)}=1\]
 3 years ago

satellite73 Group TitleBest ResponseYou've already chosen the best response.1
plug in 1 for x and you win. i get 1+2+1=2 so vertex is (1,2)
 3 years ago
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