Υπολογίστε την τιμή της παράστασης: (-3) × 5 - (-2) × 4

Μαθηματικές Ερωτήσεις

Quiz
•
Mathematics
•
8th Grade
•
Hard
Νίκος Τζίφας
FREE Resource
32 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
-23
-7
2
7
23
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ποια από τις παρακάτω ισότητες είναι σωστή;
(2³)² = 2⁵
2³ × 2² = 2⁶
2³ + 2² = 2⁵
2³ × 2² = 2⁵
(2³)² = 2⁹
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Αν x = -2, ποια είναι η τιμή της παράστασης x² - 4x + 3;
1
7
11
15
19
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ποια είναι η τετραγωνική ρίζα του 49;
-7
0
7
±7
14
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Αν 2x - 5 = 9, τότε το x είναι:
2
5
7
-2
-7
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ποια είναι η τιμή της παράστασης √81 - √16;
1
3
5
7
9
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ποιο από τα παρακάτω είναι ίσο με (x³)²;
x⁵
x⁶
x⁹
x⁸
x¹
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