fnieto2 fnieto2

23-08-2016
Mathematics

contestada

PLEASE EXPLAIN HOW TO SOLVE THIS PROBLEM!!
I need to find the axis of symmetry

y = x^2 - 4x + 3

Respuesta :

crisforp crisforp

23-08-2016

The axis of symmetry is the line: x = - b / (2a);
We have a = 1 and b = - 4;
Then, x = 4 / 2 = 2;
The equation of the line is x = 2.

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