x2 + 4x + 4 descompus este:

teza matematică clasa a VIII-a, sem. I

Quiz
•
Mathematics
•
8th Grade
•
Hard
Maria Ile
Used 32+ times
FREE Resource
14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(x + 4)2
(x + 2)2
(x + 2)(x - 2)
(x - 2)2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(2x - 1)(2x + 1) este egal cu:
4x2 + 4x -1
4x2 + 1
4x2 - 1
2x2 - 1
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Media geometrică a numerelor 2- √3 și 2 + √3 este:
2
4 - √3
2√3
1
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Rezultatul calculului ( - 12x5y2z ) : ( - 4x2yz ) este:
-3x3
3x3y
3x2yz
-3x3y
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Soluția pe R a inecuației 1 - x < 0 este:
(1, +∞)
( -1, +∞)
1
(-∞, 1)
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Soluțiile pe R ale ecuației |2 x - 3 | = 5 sunt:
-1 și 4
1 și -4
-1 și 3
-2 și 3
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Partea întreagă a numărului x = - 2,5 este:
2,5
-2
-1
-3
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