
선형대수학 퀴즈
Quiz
•
Mathematics
•
12th Grade
•
Practice Problem
•
Hard
재영 허
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
벡터의 원래 뜻은 무엇인가?
운반체
수학
도구
숫자
Answer explanation
벡터의 원래 뜻은 '운반체'입니다.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
벡터의 묶음인 행렬이 나타내는 움직임은 무엇인가?
확대
축소
이동
회전
Answer explanation
행렬은 벡터의 묶음으로 이동을 나타냅니다.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
두 벡터의 합을 구하는 연산 방법은?
뺄셈
덧셈
나눗셈
곱셈
Answer explanation
두 벡터의 합을 구하는 연산방법은 '덧셈'입니다.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
벡터의 길이를 구하는 공식은?
A=𝑂𝐴=𝑥₁²+𝑥₂²+⋯+𝑥ₙ²
𝐴𝐵=𝑎₁−𝑏₁²+𝑎₂−𝑏₂²+⋯+𝑎ₙ−𝑏ₙ²
A=𝑂𝐴
𝐴𝐵=𝑥₁−𝑥₂²+𝑦₁−𝑦₂²
Answer explanation
The correct formula to find the length of a vector is A=𝑂𝐴=𝑥12+𝑥22+⋯+𝑥𝑛2.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
스칼라곱셈에서 𝛼>1이면 벡터를 어떻게 변화시키는가?
이동
확대
회전
축소
Answer explanation
스칼라곱셈에서 𝛼>1이면 벡터를 '확대'시킵니다.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
단위 벡터의 길이는?
1
2
3
0
Answer explanation
단위벡터의 길이는 항상 1입니다.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
벡터 1개의 펼침은 무엇인가?
공간
점
평면
직선
Answer explanation
벡터 1개의 펼침은 직선입니다.
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