Lesson
ECUACIONES DE SEGUNDO GRADO
a day ago by
smatematico_32909
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  • Slide 1
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    ECUACIONES DE SEGUNDO GRADO

    Text
  • Question 2
    20 seconds
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    Q.

     3x2+4x18=03x^2+4x-18=0  valor de "a"

    answer choices

    3

    4

    -18

  • Question 3
    20 seconds
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    Q.

     3x2+4x18=03x^2+4x-18=0  valor de "b"

    answer choices

    3

    4

    -18

  • Question 4
    20 seconds
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    Q.

     3x2+4x18=03x^2+4x-18=0  valor de "c"

    answer choices

    3

    4

    -18

  • Question 5
    20 seconds
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    Q.

     3x2+4x18=03x^2+4x-18=0  valor del discriminante

    answer choices

    216

    222

    232

  • Question 6
    120 seconds
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    Q.

     3x22x(x4)=x123x^2-2x\left(x-4\right)=x-12  

    answer choices

     3x2+8x12=03x^2+8x-12=0  

     2x2x+12=02x^2-x+12=0  

     x2+7x+12=0x^2+7x+12=0  

  • Question 7
    20 seconds
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    Q.

    Si el valor del discriminante es mayor a 0 (número positivo) ¿cuántas soluciones posibles hay?

    answer choices

    No hay solución

    Una solución

    Dos posibles soluciones

  • Question 8
    20 seconds
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    Q.

    Si el valor del discriminante es menor a 0 (número negativo) ¿cuántas soluciones posibles hay?

    answer choices

    No hay solución

    Una solución

    Dos posibles soluciones

  • Question 9
    30 seconds
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    Q.

     6x2+5x+1=06x^2+5x+1=0  Valor del discriminante

    answer choices

    49

    1

    25

    24

  • Question 10
    30 seconds
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    Q.

    ¿Cuál es la fórmula general correcta?

    answer choices

    b±b2+4ac2a\frac{b\pm\sqrt{b^2+4ac}}{2a}

    b±b24ab2c\frac{-b\pm\sqrt{b^2-4ab}}{2c}

    b±b24ac2a\frac{-b\pm\sqrt{b^2-4ac}}{2a}

    b±c24ab2a\frac{-b\pm\sqrt{c^2-4ab}}{2a}

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