What is the vertex form of $y= 3x^2+5x+2$ ?

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Answer 1 · 2016-03-12T10:50:46

$y=3(x+5/6)^2-1/12$

Using shortcuts:

Given: $" "y=3x^2+5x+2$

Write as $y=3(x^2+5/3x)+2$

So vertex form is

$y=3(x+5/6)^2-1/12$

Tony B Have a look at the solution http://socratic.org/s/asFRwa2i for detailed solution method. Different values but the method is ok!

What is the vertex form of y= 3x^2+5x+2y= 3x^2+5x+2?