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Cuadraticas EXAMEN

Authored by Ana Guzman

Mathematics

9th - 11th Grade

CCSS covered

Used 19+ times

Cuadraticas EXAMEN
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Factoriza la expresion:  x2+11x+28x^2+11x+28  

 (x+8)(x+3)\left(x+8\right)\left(x+3\right)  

 (x+7)(x+4)\left(x+7\right)\left(x+4\right)  

 (x7)(x4)\left(x-7\right)\left(x-4\right)  

 (x+7)(x4)\left(x+7\right)\left(x-4\right)  

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Identifica el vertice y eje de simetria de la parabola:

(2, 2); x=2\left(2,\ -2\right);\ \ x=2

(2, 2); x=2\left(2,\ -2\right);\ \ \ x=-2

(2, 2); x=2\left(-2,\ 2\right);\ \ x=-2

(2, 2); x=2\left(-2,\ 2\right);\ \ x=2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Resuelve la siguiente ecuacion utilizando raiz cuadrada:  x215=34x^2-15=34  

 ±7\pm7  

19

49

7

Tags

CCSS.8.EE.A.2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Resuelve la expresion utilizando la propiedad del producto cero:  (x8)(4x+2)\left(x-8\right)\left(4x+2\right)  

 x=8,  x=2x=8,\ \ x=-2  

 x=8, x=2x=-8,\ x=-2  

 x=8,  x=2x=-8,\ \ x=2  

 x=8; x=12x=8;\ x=-\frac{1}{2}  

Tags

CCSS.HSA-REI.B.4B

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Cuantas soluciones reales tiene la ecuacion:
 x2+2x+1=0x^2+2x+1=0  

Una solucion

Dos Soluciones

Infinito numero de soluciones

No tiene solucion

Tags

CCSS.HSA-REI.B.4B

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Encuentra el valor de C, que completa el cuadrado de la expresion:  x28x+Cx^2-8x+C  

 4-4  

 44  

 1616  

 16-16  

Tags

CCSS.HSA-REI.B.4B

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Expresa la funcion cuadratica
 y=2(x+2)(x1)y=-2\left(x+2\right)\left(x-1\right)  
en forma estandar:

 y=2x22x4y=-2x^2-2x-4  

 y=2x22x+4y=-2x^2-2x+4  

 y=2x2+2x+4y=-2x^2+2x+4  

 y=2x2+2x4y=-2x^2+2x-4  

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