formule de calcul prescurtat

Quiz
•
Mathematics
•
7th Grade
•
Hard
Tamara Popovici
Used 6+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(x+4)2
x2+16
x2+4x+16
x2+8x+16
2.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
(0,5x - 0,4y)2
0,25x2- 0,8xy + 0,16y2
0,25x2- 0,4xy + 1,6y2
0,25x2- 0,4xy + 0,16y2
3.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
4.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(0,5a + 0,6b)(0,6b - 0,5a)
0,36b2 - 0,25a2
3,6b2 - 0,25a2
0,25a2 - 0,36b2
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Descompunerea în factori a expresiei 3x2 - 6x este:
3x(x-2)
x(3x - 6)
3x(x-6)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
9x2 - 12x +4
(9x - 2)2
(3x - 2)2
(3x + 2)2
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