Archivo de junio, 2010


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raizx -2

Análisis de funciones

  1. Analicen las siguientes funciones:
    a) f(x)=\sqrt{x-2}
    Representación gráfica
    Más >

Número de Visitas: 3394

Fracciones – Repaso

  1. Utilicen la página wolframalpha.com para resolver:
    a)  \frac{1}{3}+\frac{4}{2}=
    b)  \frac{5}{6}-\frac{2}{9}=
  2. Encuentren la fracción irreducible de \frac{240}{360}
  3. Completen las fracciones equivalentes:
    a) \frac{4}{9}=\frac{...}{81}
    b) \frac{20}{...}=\frac{4}{14}
  4. Pasen los siguientes números mixtos a fracciones:
    a) 4\frac{4}{7}=
    b) 6\frac{1}{3}=
  5. Pasen las siguientes fracciones a números mixtos:
    a) \frac{23}{7}=
    b) \frac{124}{3}=

Número de Visitas: 965


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Representación de fracciones en la recta numérica

Representemos en la recta numérica las siguientes fracciones

\displaystyle \frac{2}{3};\frac{5}{4};\frac{13}{5}

Lo primero que debemos hacer es buscar un común denominador.

Entre 3, 4 y 5 el denominador común es 60.

Número de Visitas: 2171


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recta_numerica1

Números Racionales: Ejercitación

Resuelvan los siguientes ejercicios y dejen sus aportes o dudas en los comentarios.

  1. Representen en una recta las siguientes fracciones y decimales:
    \displaystyle -\frac{3}{4};\frac{2}{5};-2\frac{1}{5};1,25
  2. ¿Dónde está el uno?
    ¿Dónde está el 0?
  3. Resuelvan paso a paso:
    a) \displaystyle \frac{7}{5}+\frac{1}{8}=

    b) \displaystyle 7-\frac{1}{7}=

    c) \displaystyle \frac{8}{9}.\frac{27}{20}=

  4. Resuelvan las siguientes operaciones combinadas:
    a) (\frac{3}{5}-\frac{1}{4})^2.0,\hat{5}=

    b) \sqrt{1-\frac{9}{25}}:(\frac{4}{5}+2)^{-1}=

  5. Pasen a número decimal y clasifíquenlos:
    a) \displaystyle\frac{13}{10}=

    b) \displaystyle\frac{13}{9}=

  6. Pasen a fracción:
    a) 0,8=

    b) 12,75

Número de Visitas: 2492

Derivada de una función en un punto

Dada la función

f(x)

La derivada f'(x) en el punto x=a se define como:

f'(a)=\lim_{h \rightarrow 0}{\frac{f(a+h)-f(a)}{h}}

Número de Visitas: 975


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