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FUNCION CUADRATICA #1

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Mind Map on FUNCION CUADRATICA #1, created by GERALDINE RODRIGUEZ MARIN on 04/10/2016.
GERALDINE RODRIGUEZ MARIN
Mind Map by GERALDINE RODRIGUEZ MARIN, updated more than 1 year ago
GERALDINE RODRIGUEZ MARIN
Created by GERALDINE RODRIGUEZ MARIN almost 10 years ago
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FUNCION CUADRATICA #1
  1. FORMULA: f(x)=x°+8x+15
    1. a,b,c son números reales
      1. a debe ser distinta a 0
        1. si a >0 la grafica debe ir hacia arriba
          1. si a < 0 la grafica debe ir hacia abajo
      2. f(x)=ax°+bx+c
        1. VERTICE:(H,K)
          1. K=4ac-b°/4°
            1. 4(1)(15)-(8)°/4(1)
              1. K=60-64/4
                1. -4/4 K=-1
                  1. vertice:(4,1)
            2. H=-b/2a
              1. H=-8/2(1) H=-8/2 H=4
            3. CORTE EJE X
              1. FORMULA: x= -b+-Vb°-4ac/2a
                1. x=-8+-V8°-4(1)(15)/2(1)
                  1. -8+-V64-60
                    1. -8+-V4/2
                      1. -8+-2/2
                2. X1=-8+2/2=-6/2=3 (-3,0)
                  1. X2=-8-8/2=-10/2=-5 (-5,0)
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