Toán cuối kì II

Toán cuối kì II

9th - 12th Grade

53 Qs

quiz-placeholder

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Toán cuối kì II

Toán cuối kì II

Assessment

Quiz

Mathematics

9th - 12th Grade

Practice Problem

Hard

Created by

Ngô Vũ

Used 2+ times

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53 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Trong không gian Oxyz, cho điểm A (1;2;3). Điểm đối xứng với A qua mặt phẳng có tọa độ

(-1;2;3)

(-1;-2;-3)

(1;2;-3)

(1;-2;3)

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Trong không gian Oxyz, cho 2 vectơ u (1;-2;5) và v (0;2;-3). Tọa độ của vectơ u+v

(-1;4;-8)

(1;0;2)

(-1;0;-2)

(1;-4;8)

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

(2;1;1)

(1;2;-3)

(2;1;-3)

(-1;2;1)

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

(1;-2;3)

(2;1;1)

(2;1;-1)

(1;2;3)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

P (2;1;-1)

M (1;2;3)

Q (2;1;1)

N (1;-2;3)

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Trong không gian Oxyz, cho mặt phẳng (P): 2x + 3y + z + 2 = 0. Véctơ nào dưới đây là 1 véctơ pháp tuyến của (P) ?

(2;0;3)

(2;3;2)

(2;3;0)

(2;3;1)

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Trong không gian Oxyz, cho 2 điểm M (1;-1;-1) và N (5;5;1). Đường thẳng MN có phương trình

Media Image
Media Image
Media Image
Media Image

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