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Test calcul algebric clasa a VIII-a

Authored by Simona Deaconu

Mathematics

3rd Grade

CCSS covered

Used 3+ times

Test  calcul algebric clasa a VIII-a
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32 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

5x2 + 9x

5x2 - 9x

6x2 - 9x

-6x2 + 9x

Tags

CCSS.HSA.APR.A.1

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Rezultatul (4x – 1)2 este ...

16x2 -1

16x2 -8x + 1

16x2 + 1

16x2 -8x + 2

Tags

CCSS.HSA.APR.C.4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Valoarea de adevar a propozitiei " (x5)(x+5)=x225\left(x-\sqrt{5}\right)\left(x+\sqrt{5}\right)=x^2-25  " este ...

ADEVARAT

FALS

Tags

CCSS.HSA.APR.C.4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Descompunerea in factori a expresiei a2 - b2 este

(a+b)(a-b)

a2+ b2

(a+b)2

(a-b)2

Tags

CCSS.HSA.APR.C.4

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Descompunerea in factori a formulei a2 -2ab+b2 este

(a - b )( a+ b )

(a - b )2

ab ( a-b )

( a+ b )2

Tags

CCSS.HSA.APR.C.4

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Restrangerea expresiei 4x2 + 12x + 9 este

(2x + 3)2

(2x + 9)2

(4x + 9)2

4x2 + 9

Tags

CCSS.HSA.APR.C.4

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Descompuneți în factori:
 4x44x-4  

 4(x+1)4\left(x+1\right)  

 4x+14-x+1  

 4(x1)4\left(x-1\right)  

 x(4x)x\left(4-x\right)  

Tags

CCSS.7.EE.A.1

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