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5093865
FUNCION CUADRATICA #1
Description
Mind Map on FUNCION CUADRATICA #1, created by GERALDINE RODRIGUEZ MARIN on 10/04/2016.
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GERALDINE RODRIGUEZ MARIN
, updated more than 1 year ago
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GERALDINE RODRIGUEZ MARIN
about 8 years ago
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Resource summary
FUNCION CUADRATICA #1
FORMULA: f(x)=x°+8x+15
a,b,c son números reales
a debe ser distinta a 0
si a >0 la grafica debe ir hacia arriba
si a < 0 la grafica debe ir hacia abajo
f(x)=ax°+bx+c
VERTICE:(H,K)
K=4ac-b°/4°
4(1)(15)-(8)°/4(1)
K=60-64/4
-4/4 K=-1
vertice:(4,1)
H=-b/2a
H=-8/2(1) H=-8/2 H=4
CORTE EJE X
FORMULA: x= -b+-Vb°-4ac/2a
x=-8+-V8°-4(1)(15)/2(1)
-8+-V64-60
-8+-V4/2
-8+-2/2
X1=-8+2/2=-6/2=3 (-3,0)
X2=-8-8/2=-10/2=-5 (-5,0)
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