
Formule de calcul prescurtat + Descompuneri
Authored by CEZAR-FLORIN CALANCE
Mathematics
7th - 8th Grade
Used 26+ times

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18 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Alegeți termenul lipsă:
Rezultatul calculului (x + 1)2 este egal cu x2 + ....... +1
4x
2x
x
2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Alegeți termenul lipsă:
Rezultatul calculului (x - 3)2 este egal cu x2 - 6x +.......
9
3
6
2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Alegeți termenul lipsă:
Rezultatul calculului (2x + 1)2 este egal cu ....... + 4x +1
2x2
4x
4x2
4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Alegeți termenul lipsă:
Rezultatul calculului (x + 3)2 este egal cu x2 + ....... +9
3x
6x
4x
9x
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Alegeți termenul lipsă:
Rezultatul calculului (x + 6)(x - 6) este egal cu .......
x2 - 6
x2 - 12x + 36
x2 - 36
x2 + 36
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Stabiliți valoarea de adevăr a propoziției:
(x + 2)2 = x2 + 4x +4
Adevărat
Fals
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Stabiliți valoarea de adevăr a propoziției:
(x - 5)2 = x2 - 25
Adevărat
Fals
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