Teza clasa a VII-a sem.II
Authored by Maria Ile
Mathematics
7th - 8th Grade
Used 30+ times
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18 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Rezultatul calculului: (2√3-1)(2√3+1) -(-2)3
27
3
19
5
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Rezultatul calculului: (2x+1)2 - (x-2)2 -3x(x+3)
x-3
-x+3
-x-3
-9x+5
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Descompus in factori (2x-3)2 -4(x+1)2
5(1-4x)
1-4x
5(4x-1)
4x-1
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Solutia reala a ecuatiei 3x-5=-8
1
-1
4
-6
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Multimea solutiilor ecuatiei (x+1)2 -1=3
1; 3
3; -2
-3; 1
-3; 2
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Valorile intregi nenule ale lui x pentru care | 2x - 1 |≤3
{1; 2}
{-1; 0; 1; 2}
{-1; 1; 2}
{-2; -1; 1}
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Descompus in factori x2 - 4x +4
(x - 2)2
(x + 2)2
(x - 2)(x + 2)
(x - 4)2
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