Într-o progresie aritmetică avem şi . Termenul al cincilea al progresiei este:
Test subiectul I Bacalaureat Tehnologic

Quiz
•
Mathematics
•
12th Grade
•
Hard
Mihaela mate_mihaela@yahoo.com
Used 23+ times
FREE Resource
19 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
0
1
-1
-2
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Se consideră funcţia , . Expresia f(0)+f(f(0)) are valoarea:
0
-3
-18
-9
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Suma soluţiilor ecuaţiei este :
4
1
-3
0
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Precizati modulul numarului complex z = 12 + 5i
13
12
5
17
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Cate submultimi de 4 elemente are multimea A = {1;2;3;4;5} ?
5
4
10
12
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Daca sin x + cos x = 1, calculati sin 2x
1
0
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Precizati panta dreptei 3x - y + 7 = 0
1
2
3
-2
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