Ταυτότητες και Εκφράσεις

Ταυτότητες και Εκφράσεις

10th Grade

13 Qs

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Ταυτότητες και Εκφράσεις

Ταυτότητες και Εκφράσεις

Assessment

Quiz

Mathematics

10th Grade

Practice Problem

Hard

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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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