Prueba diagnostica 9°

Prueba diagnostica 9°

9th Grade

10 Qs

quiz-placeholder

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Prueba diagnostica 9°

Prueba diagnostica 9°

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

Created by

William Portillo

Used 11+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

¿En cuál de las opciones el grado absoluto del polinomio es 10?

8pq+11r8-8pq+11r^8

10x+12y6xy10x+12y-6xy

6xy6+10x5y523x26xy^6+10x^5y^5-\frac{2}{3}x^2

z6+2z+1z^6+2z+1

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Encuentre el valor numérico de la expresión:

 35c12b+2d\frac{3}{5}c-\frac{1}{2}b+2d 

si  c=10, b=4, d=1.c=10,\ b=4,\ d=1.   

6

20

10

12

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

¿Qué expresión algebraica se obtiene al reducir los términos semejantes de:
 5x11y9+20x1y5x-11y-9+20x-1-y  ?

 13x+10y413x+10y-4  

 25x12y1025x-12y-10  

 xyz-x-y-z  

 x+y10-x+y-10  

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 

¿Cuál es el resultado de simplificar la expresión
 x2+y2(x2+2xy+y2)+(x2+y2)x^2+y^2-\left(x^2+2xy+y^2\right)+\left(-x^2+y^2\right)  ?

 x2+2xy+y2-x^2+2xy+y^2  

 x22xyy2-x^2-2xy-y^2  

 y22xyx2y^2-2xy-x^2  

 2x2+2xy+3y2-2x^2+2xy+3y^2  

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Sergio tiene $1950 en billetes de $100 y de $50. En total tiene 24 billetes. ¿Cuántos billetes de $100 tiene Sergio?

24

15

10

8

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

¿Cuál de las gráficas le corresponde a la función lineal :

 y=12x3y=\frac{1}{2}x-3  ?

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7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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