Druhá mocnina
Authored by Tomáš Zíka
Mathematics
8th Grade
Used 1+ times
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35 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
324
256
289
361
Answer explanation
To find the square of 17, we multiply it by itself. So, 17^2 = 289. This is the correct answer choice.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
324
256
289
361
Answer explanation
The question asks to find the square of 18. The correct answer is 324, which is obtained by multiplying 18 by itself.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the square of 19?
324
256
361
400
Answer explanation
The question asks for the square of 19. Among the given options, the correct answer is 361. To find the square of a number, we multiply the number by itself. Therefore, the square of 19 is 361.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the square of 20?
400
441
484
529
Answer explanation
The question asks for the square of 20. The correct answer is 400. To find the square of a number, you multiply the number by itself. In this case, 20 multiplied by 20 equals 400. Therefore, the square of 20 is 400.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the square of 21?
441
484
529
576
Answer explanation
The question asks for the square of 21. The correct answer is 441. To find the square of a number, you multiply the number by itself. In this case, 21 multiplied by 21 equals 441. Therefore, the square of 21 is 441.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the square of 18?
400
324
324
289
Answer explanation
The question asks for the square of 18. The correct answer is 324, which is the square of 18. The other options are incorrect.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the square of 16?
289
144
225
256
Answer explanation
The question asks for the square of 16. The correct answer is 256, which is the square of 16. This answer is highlighted as the correct choice.
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