
Numere reale reprezentate prin litere.
Authored by Cec Mate
Mathematics
7th - 8th Grade
CCSS covered
Used 27+ times

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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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