
Calcul algebric
Authored by Iulia Damian
Mathematics
7th Grade
Used 3+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(x+2y)2=
x2-2xy+4y2
x2+2xy+4y2
x2-4xy+4y2
x2+4xy+4y2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(5z-2a)2=
25z2+20az+4a2
25z2-10az+4a2
25z2+20az-4a2
25z2-20az+4a2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(2c-3b)(2c+3b)=
2c2+2b2
2c2-2b2
4c2-9b2
4c2+9b2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(0,1x+2y)2=
0,01x2+0,4xy+4y2
0,01x2-0,4xy+4y2
0,01x2+0,2xy+4y2
0,01x20,2xy+4y2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Descompuneți în factori primi: a2-9b2
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Descompuneți în factori primi: 16x2-25y2
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