Determinanți
Authored by SANDA BARBU
Mathematics
12th Grade
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59 questions
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1.
DRAG AND DROP QUESTION
1 min • 1 pt
(a)
1
0
-2024
2.
DROPDOWN QUESTION
1 min • 1 pt
(a)
x = 1
x = 3
x = 45
3.
MULTIPLE CHOICE QUESTION
5 mins • 3 pts
0
4.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Valoarea numărului real pozitiv pentru care punctele A(1, 1), B(1, 2025) și C( , 1) sunt coliniare, în această ordine, este egală cu:
2025
2024
45
1
5.
DRAG AND DROP QUESTION
1 min • 1 pt
(a)
-(a + b + c)
(a + b)(b + c)(c + a)
1
6.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Fie patrulaterul ABCD cu vârfurile în A(2, 2), B(4, 1), C(2, -2) și D(1, 1). Aria lui ABCD este egală cu:
12
8
6
4
7.
MULTIPLE CHOICE QUESTION
5 mins • 3 pts
A = -6a² - 6b²;
A = 3a² + 6b²;
A = -18bc;
A = a² - 18b² + c².
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