
기하와 벡터 문제 퀴즈
Quiz
•
Mathematics
•
12th Grade
•
Practice Problem
•
Hard
강현준 강현준
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
두 벡터 A(3, 4)와 B(5, -2)의 크기를 구하시오.
A(3, 4)의 크기 = 5, B(5, -2)의 크기 = sqrt(29)
A(3, 4)의 크기 = 7
A(3, 4)의 크기 = 3
B(5, -2)의 크기 = sqrt(20)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
두 벡터 A(2, -1)와 B(3, 4)의 내적을 구하시오.
11
2
0
-5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
두 벡터 A(1, 2, -3)와 B(4, -1, 2)의 외적을 구하시오.
(3, -2, 7)
(0, 0, 0)
(-14, -7, -6)
(10, 5, 1)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
평면이 벡터 n = (2, -1, 3)을 법선 벡터로 가질 때, 점 P(1, 2, -1)이 평면 위에 있는지 판단하시오.
예, 점 P(1, 2, -1)은 평면 바깥에 있습니다.
아니요, 점 P(1, 2, -1)은 평면의 중심입니다.
아니요, 점 P(1, 2, -1)은 평면 위에 있지 않습니다.
예, 점 P(1, 2, -1)은 평면 위에 있습니다.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
직선이 벡터 v = (3, -2, 1)을 방향 벡터로 가질 때, 점 P(2, 1, -3)이 직선 위에 있는지 판단하시오.
No
Sometimes
Maybe
Yes
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