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certamen matemáticas

Authored by jose mendoza

Mathematics

8th - 9th Grade

CCSS covered

Used 4+ times

certamen matemáticas
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

cuanto es el resultado de 8 * 2 / 7 * 4 + 9

18,14

16.65

17.69

18,7

Tags

CCSS.7.NS.A.3

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Factorizar completamente 6x2 - 24x -72

6(x + 3) * (x - 8)

6(x + 2) * ( x - 6)

7(6 + x) + (9 + 6)

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Factorizar x2 - xy - 12y2

35

70

(x + 3) * (x - 4y)

(x + 6) * (x -4y)

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Resolver

si tengo 20 manzanas y me como 3 y luego me regalan 30 ¿Cuántas manzanas tengo?

40

30

47

49

Tags

CCSS.3.OA.D.8

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

determinar si la ecuación es lineal.

y = x2 - 6

si

no

Tags

CCSS.8.F.A.3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Evaluar. Escribir la respuesta como fracción.

 (43)3\left(-\frac{4}{3}\right)^3  

 4672-\frac{46}{72}  

 6427-\frac{64}{27}  

 52\frac{5}{2}  

Tags

CCSS.8.EE.A.1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

simplificar

 189\frac{18}{9}  

2

4

9

1

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