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Quiz
•
Mathematics
•
12th Grade
•
Hard
Vũ Hạ
Used 13+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tổng bình phương nghiệm của phương trình bằng
1.
9.
4.
16.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Với , khi ta đặt ta được phương trình nào sau đây?
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Giải phương trình ta được nghiệm là bao nhiêu? (chỉ ghi đúng số là nghiệm)
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tập nghiệm của phương trình là
Vô nghiệm.
S = {0;3;-2}.
S = {1;3;-2}.
S = {1;3}.
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Số nghiệm nguyên của là (chỉ ghi số là số nghiệm)
6.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Gọi a là nghiệm của log2x + log2(x-1) = 1. Hãy tính T = ln(a/2) + 2020/a. (chỉ ghi đúng giá trị biểu thức T).
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Cho hàm số , phương trình có nghiệm là
x = 2.
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