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ECUACIÓN CUADRÁTICA

Authored by alee acencios

Mathematics

4th Grade

Used 12+ times

ECUACIÓN CUADRÁTICA
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Dado:
 f(x)=2kx24kx+1  para   k0f\left(x\right)=2kx^2-4kx+1\ \ para\ \ \ k\ne0 
 si f(x) = 0 tiene dos raíces iguales, halle k

1

-174

1/2

1/4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Si f(x) = 0, entonces se cumple:

f(x) = 0, tiene una solución

f(x) = 0, tiene dos soluciones

f(x) = 0, no tiene solución

f(x) = 0, tiene una solución positiva

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Si f(x) = 0, entonces la discriminante es: 

igual a 0

mayor que 0

menor que 0

no definido

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Escriba f(x) en la forma

f(x) = -10(x -p)(x - q)

f(x) = -10(x + 4)( x - 6)

f(x) = -10(x - 4)( x - 6)

f(x) = -10(x + 4)( x + 6)

f(x) = -10(x - 4)( x + 6)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Encuentre el valor de n

-8

4

-4

8

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Sea f (x) = p (x - q) (x - r). Parte de la gráfica de f se muestra, halle p

3

2

1

1/2

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Use la calculadora y encuentre la solución de  x23x+2=0x^2-3x+2=0  

x = 1 ,  x = 2

x = - 1 ,  x = 2

x = 1 ,  x = - 2

x = - 1 ,  x = - 2

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