84th Problem 2016

Algebra Level 2

Write the vertex of the following function as ( x , y ) \left( x,y \right) :

f ( x ) = 2 x 2 x 1 f\left( x \right) ={ 2x }^{ 2 }-x-1

Find x + y x+y


Check out the set: 2016 Problems


The answer is -0.875.

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