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Numere reale reprezentate prin litere.

Authored by Cec Mate

Mathematics

7th - 8th Grade

CCSS covered

Used 27+ times

Numere reale reprezentate prin litere.
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13 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

2 x +7 x este egal cu....

9

4 x

9 x

5 x2

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

( 2 x + 3 )2 este egal cu....

4 x2 + 9

2 x2 +3

4 x2 +12 x +9

5 + 4 x

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

( 3 y - 2 ) 2 este egal cu....

3 y 2 + 4

9 y 2 - 4

9 y 2 +12 y + 4

9 y2 - 12 y + 4

4.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

4 x 3 + 5x 2 - 3 x 3- 5 x2 este egal cu...

4

x 3

9

4 x2

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

3a - 6a + 2a = ...

-5a

-a

a2

5a

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

7a + 2b -2a + 5b = ...

5a +3b

9a + 7b

5a + 7b

12ab

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

(a+b)2=?

a2+ab+b2

a2+2a+b2

a2+2ab+b2

a2+2ab-b2

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