
Ταυτότητες και Εκφράσεις

Quiz
•
Mathematics
•
10th Grade
•
Hard
ΣΤΑΜΑΤΕΛΛΑ ΘΥΜΗ
FREE Resource
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ποια είναι η ταυτότητα του Πυθαγόρα;
Πλάτωνας
Αριστοτέλης
Πυθαγόρας
Σωκράτης
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Εφαρμόστε την ταυτότητα του τετραγώνου της διαφοράς: (a-b)².
(a-b)² = a² - b²
(a-b)² = 2a² - 2b²
(a-b)² = a² + 2ab + b²
(a-b)² = a² - 2ab + b²
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Απλοποιήστε την έκφραση: 2x + 3x.
6x
2x + 3
4x
5x
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ποια είναι η ταυτότητα του αθροίσματος δύο τετραγώνων;
(a + b)² = 2a² + 2b²
(a + b)² = a² + b²
(a + b)² = a² - 2ab + b²
(a + b)² = a² + 2ab + b²
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Συνθέστε τις ταυτότητες: a² - b² και (a-b)(a+b).
(a-b)(a+b) = a² + b²
a² - b² = (a-b)(a+b)
a² - b² = a² + b²
a² + b² = (a+b)(a-b)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Αναγνωρίστε την ταυτότητα: (x+y)² = x² + 2xy + y².
(x+y)² = 2x² + 2y²
(x+y)² = x² + 2xy + y²
(x+y)² = x² + y²
(x+y)² = x² + 3xy + y²
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Εφαρμόστε την ταυτότητα: sin²θ + cos²θ = 1.
sin²θ + cos²θ = 0
sin²θ - cos²θ = 1
sin²θ + cos²θ = 2
sin²θ + cos²θ = 1
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