高三數學(空間向量)

高三數學(空間向量)

12th Grade

20 Qs

quiz-placeholder

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高三數學(空間向量)

高三數學(空間向量)

Assessment

Quiz

Physics

12th Grade

Practice Problem

Hard

Created by

賴美娟 賴美娟

Used 1+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 7 pts

求P點(2,-1,-3)對x軸的投影點為

(0, 2, 0)
(2, 0, 2)
(0, -1, -3)
(2, 0, 0)

2.

MULTIPLE CHOICE QUESTION

1 min • 7 pts

求P點(2,-1,-3)對y軸的投影點為

(0, -1, 0)
(0, 1, 0)
(2, 0, -3)
(2, -1, 3)

3.

MULTIPLE CHOICE QUESTION

1 min • 7 pts

求P點(2,-1,-3)對z軸的投影點為

(0, 0, -3)
(0, 0, 3)
(0, -1, 0)
(2, 0, 0)

4.

MULTIPLE CHOICE QUESTION

1 min • 7 pts

求P點(2,-1,-3)對xy平面的投影點為

(2,-1,0)
(2,0,-3)
(2,-1,3)
(0,-1,-3)

5.

MULTIPLE CHOICE QUESTION

1 min • 7 pts

求P點(2,-1,-3)對xz平面的投影點為

(2,0,-3)
(2,-3,0)
(0,-1,-3)
(2,-1,0)

6.

MULTIPLE CHOICE QUESTION

1 min • 7 pts

求P點(2,-1,-3)對yz平面的投影點為

(2, 0, 0)
(0, 2, -1)
(2, -3, -1)
(0, -1, -3)

7.

MULTIPLE CHOICE QUESTION

1 min • 7 pts

求Q(3,-4,-5)到原點(0,0,0)的距離

5

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