
Teza sem II cls a VII a

Quiz
•
Mathematics
•
7th Grade
•
Hard
Used 5+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Rezultztul calculului (4√3 - 6)(4√3 +6) este
-20√3
-60
12
8√3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rezultatul calculului ( - 18 x3):(- 6 x2) este
3x
-3x
-24x
-24 x5
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Media geometrică a numerelor 12 și 27 este
18
19,5
-18
39
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Latura unui pătrat cu aria de 0,0144 m2 are lungimea exprimată în cm de:
0,12
1,44
1.2
12
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Aria unui romb cu latura de 14 cm și un unghi de 1500 este:
56 cm
98 cm2
98 cm
49 cm2
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
După efectuarea calculelor(2√5 -3)2 +(2√5 -3)(2√5 +3) + 3√125 se obține :
11 +9√5
11 -19√5
40 - 7√5
40 +3√5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Descompunerea în factori a expresiei 6x2 + 12ax +5xy2+10ay2 este:
(x+2a)(6x +5y2)
(x +y2)(6x +12a)
(x+5y2)(6x+2a)
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