Mathematics Challenge for Grade 9

Mathematics Challenge for Grade 9

9th Grade

10 Qs

quiz-placeholder

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Mathematics Challenge for Grade 9

Mathematics Challenge for Grade 9

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

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κωνσταντινος ΑΡΛΕΤΗ

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ποια είναι η τιμή του x στην εξίσωση 2x + 3 = 11;

5

2

7

4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Υπολογίστε την επιφάνεια ενός τριγώνου με βάση 10 εκ. και ύψος 5 εκ.

30 εκ²

25 εκ²

15 εκ²

20 εκ²

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Αν η αναλογία αγοριών προς κορίτσια σε μια τάξη είναι 3:4, ποιο ποσοστό της τάξης είναι αγόρια;

3/7

1/2

4/7

2/5

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Λύστε για το y: 3y - 7 = 2y + 5.

15

5

10

12

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the Pythagorean theorem?

In a right triangle, a² + b² = c².

In a right triangle, a² + b² = 2c².

In a right triangle, a² - b² = c².

In any triangle, a + b = c.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Βρείτε την κλίση της γραμμής που περνάει από τα σημεία (2, 3) και (4, 7).

2

1

3

4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Αν ένας κύκλος έχει ακτίνα 7 εκ., ποια είναι η περιφέρειά του; (Χρησιμοποιήστε π ≈ 3.14)

45.50 εκ.

43.96 εκ.

42.00 εκ.

44.00 εκ.

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