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Question text
Considera el polinomio de grado 3 p(x) = #p
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a., b., c., ...
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1., 2., 3., ...
i., ii., iii., ...
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Algorithm
Choice 1
Answer
Las raíces del polinomio son #a, #b, #c
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Feedback
Muy bien, se cumple que p(#a) = p(#b) =p(#c) = 0, son sus raíces.
Choice 2
Answer
Las raíces del polinomio son #a1, #b1, #c1
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Feedback
Atención, las raíces son aquellos valores a que cumplen p(a) = 0, entonces, son directamente la solución de la ecuación, sin cambiar el signo.
Choice 3
Answer
La descomposición en factores de p(x)= #m·#qfact
Grade
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Feedback
Muy bien.
Choice 4
Answer
La descomposición en factores de p(x)=#m· #rfact
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Feedback
Cuidado, los factores de la descomposición son (x-raiz). Recuerda que se debe cumplir que al sustituir la x per la raíz, el resultado debe ser 0 y, al ser el factor (x-raíz), al sustituir estamos multiplicando por 0. <br />Si la raíz es -a, negativa, el factor será (x+a) ya que (x-(-a))=(x+a) y si la raíz es a, positiva, el factor será (x-a). <br />
Choice 5
Answer
La descomposición en factores de p(x)= #qfact
Grade
None
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Feedback
Atención, debes multiplicar también por el coeficiente del término de grado más alto, ya que sino no descompones el polinomio dado sino un polinomio diferente con las mismas raíces. Desarrolla las dos descomposiciones y observarás la diferencia.
Choice 6
Answer
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Feedback
Choice 7
Answer
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None
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Feedback
Choice 8
Answer
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None
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Feedback
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100%
50%
33.33333%
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0%
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Created
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Wednesday, 12 June 2013, 1:12 PM
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Admin User
on
Wednesday, 12 June 2013, 1:12 PM
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