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Pre-Calculus
Matrices
Ecuaciones cuadráticas
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Pre-Calculus
Matrices
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1
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Ecuaciones completas
ax2+bx+c=0 (p.e. 5x2+15x+10=100)
2
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Ecuaciones incompletas
Mixtas y puras
3
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Ecuaciones incompletas puras
ax2+c=0 (p.e. 3x2+6=12)
4
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Ecuaciones incompletas mixtas
ax2+bx=0 (p.e. 4x2+8x=16)
5
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Fórmula general de ecuaciones puras
ax2+c=0
ax2=0-c
x2= 0-c/a
x=(+ o -) /0-c/a (raíz cuadrada)
*Dos soluciones cuyo valor absoluto es =
6
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Fórmula general de ecuaciones mixtas
ax2+bx=0
ax(x+b/a)=0
ax= 0 x=0/0
x+b/a=0
x=-b/a
*Una solución siempre será 0
7
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Fórmula general de ecuaciones completas
ax2+bx+c=0
(x+y )(x+ h )
a+b= +b
ab= c
x1= -y x2=-h