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Calcul algebric. Evaluare

Authored by MARIOARA BORAN

Mathematics

8th Grade

CCSS covered

Used 16+ times

Calcul algebric. Evaluare
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18 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Rezultatul calcului (-2x2)3 este

6x6

-6x

-8x6

8x

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

E(x)=2x2 – 5 – 3x + 7 – x2 + 2x

este egal cu.....

x2 - x + 2

2

1

nu exista

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Rezultatul calculului 3x∙(2x – 3) este

5x2 + 9x

5x2 - 9x

6x2 - 9x

-6x2 + 9x

Tags

CCSS.HSA.APR.A.1

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Rezultatul ( 4x – 1)2 este

16x2 -1

16x2 -8x + 1

16x2 + 1

16x2 -8x + 2

Tags

CCSS.HSA.APR.C.4

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Rezultatul calculului 4x – x2 + 6 + 3x2 – 5 + 2x este

2x4 + 6x + 1

2x2 +6x + 1

2x2 + 6x - 1

2x4 + 6x - 1

Tags

CCSS.6.EE.A.3

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Rezulttul calculului 2∙(3x2 – 4x + 1) – 4x∙(3x – 2) este

-6x2 + 2

-6x2 -8x + 2

6x2 + 2

-6x2 -8x + 2

Tags

CCSS.6.EE.A.3

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Calculați  2x+6+3x8=2x+6+3x-8=  

 5x25x-2  

 x2x-2  

 5x65x-6  

 5x+85x+8  

Tags

CCSS.7.EE.A.1

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