Γ.Γ_ΤΑΥΤΟΤΗΤΕΣ
Authored by giannis xantzis
Mathematics
12th Grade
Used 2+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Με τι ισούται η παράσταση (α + β)2 ;
α2 + β2
α2 + 2αβ + β2
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Με τι ισούται η παράσταση (α - β)2 ;
α2 - β2
α2 + 2αβ + β2
α2 - 2αβ + β2
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Με τι ισούται η παράσταση (3x - 1)2 = . . .
3x2 - 1
9x2 - 1
Καμία από τις προηγούμενες
Answer explanation
(3x - 1)2 = = (3x)2 - 2.3x.1 + 12
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Με τι ισούται η παράσταση (3x + 1)2 = . . .
3x2 - 6x + 1
9x2 + 6x + 1
9x2 - 6x + 1
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Με τι ισούται η παράσταση (3x - 1)2 = . . .
3x2 - 1
9x2 - 1
Καμία από τις προηγούμενες.
Answer explanation
(3x - 1)2 = (3x)2 - 2 . 3x . 1 + 12
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
(5x - 1)2 = . . .
5x2 - 1
25x2 - 1
25x2 - 10x + 1
Answer explanation
(5x - 1)2 = (5x)2 - 2 . 5x . 1 + 12
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
(2x - 1)2 = . . .
4x2 - 1
4x2 + 4x + 1
4x2 - 4x + 1
Answer explanation
(2x - 1)2 = (2x)2 - 2 . 2x . 1 + 12
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