math

Quiz
•
Others
•
10th Grade
•
Easy
Phạm Lâm
Used 3+ times
FREE Resource
49 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đường thẳng vuông góc với đường thẳng EF nhận vé tơ EF là một véc tơ chỉ phương
Đúng
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2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phương trình đường cao kẻ từ D là: x + y = 0
Đúng
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3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gọi I là trung điểm của DF. Tọa độ của điểm I là (2;2)
Đúng
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4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đường trung tuyến kẻ từ E có phương trình là: x - 2 = 0
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5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đường thẳng BC nhận u=(2;-1) là một véc tơ chỉ phương
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Sai
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phương trình đường thẳng BC là: x + 2y - 1 =0
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7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Độ dài đường cao AH(H thuộc BC) là 4 căn 5 / 5
Đúng
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