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Mathematics

12th

grade

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Cuestionario inicial 2º Bachillerato Matemáticas CCSS II

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  • 1. Multiple Choice
    3 minutes
    1 pt

    El valor de x en las expresiones

    log3 x = −2 y log2 32 = x

    es, respectivamente:

    1/9 y 5

    −3 y 2

    1(9 y 30

    1/3 y 4

  • 2. Multiple Choice
    3 minutes
    1 pt

    Las raíces del polinomio

    P(x) = x5 + 5x4 + 4x3 − 4x2 + 3x − 9

    son:

    x = −1, x = 1 (doble), x = 3 (doble)

    x = −1 (doble), x = 1 (doble), x = 3

    x = −1, x = 1, x = −3 (doble)

    x = 1, x = −3 (doble)

  • 3. Multiple Choice
    3 minutes
    1 pt

     3x4x12x212x+3x+1= ?\frac{3x-4}{x-1}-\frac{2}{x^2-1}-\frac{2x+3}{x+1}=\ ? 

     x3x1\frac{x-3}{x-1} 

     x29x21\frac{x^2-9}{x^2-1} 

     x2+3x3x21\frac{x^2+3x-3}{x^2-1}  

     x+3x21\frac{x+3}{x^2-1}  

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