CarynMundz CarynMundz

13-07-2015
Mathematics

contestada

What is the vertex of this quadratic function? f(x) = 2x2 + 4x − 5

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crisforp crisforp

13-07-2015

V( - b / 2a ; (4ac - b^2) / 4a ) ;
a = 2 ; b = 4 ; c = - 5 ;
V( - 4 / 4 ; - 56 / 8 );
finally, V ( - 1 ; - 7 ) ;

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