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thihaaung
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The vertex form of the equation of a parabola is y = 5(x  3)2  6. What is the standard form of the equation?
pic  http://i.imgur.com/ekbjOQH.png
 3 months ago
 3 months ago
thihaaung Group Title
The vertex form of the equation of a parabola is y = 5(x  3)2  6. What is the standard form of the equation? pic  http://i.imgur.com/ekbjOQH.png
 3 months ago
 3 months ago

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linda3 Group TitleBest ResponseYou've already chosen the best response.1
Okay so here;s the steps! \[5(x3)^{^{2}} 6\] the you get 5(x3)(x3)6 then you get \[5(x ^{2} 3x3x+9)\] then multiply 5 \[(5x ^{2} 30x +45) 6\] the last step is 456 is 39 so your answer will be... \[5x ^{^{2}} 30x +39\]
 3 months ago

thihaaung Group TitleBest ResponseYou've already chosen the best response.0
@linda3 thank you! ;)
 3 months ago

linda3 Group TitleBest ResponseYou've already chosen the best response.1
your most very welcome!
 3 months ago

triciaal Group TitleBest ResponseYou've already chosen the best response.0
another approach vertex (h, k) h = b/2 a and k = a(b/2 a)^2 + c a = 5 3 = b/2*5 so b =30 (b/2a)^2 =(30/10)^2 = 9 6 = 5(9)+ c so c = 45  6 = 39 5 x^2 30 x + 39
 3 months ago

thihaaung Group TitleBest ResponseYou've already chosen the best response.0
@triciaal thank you!! ;)
 3 months ago
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