Tìm x, biết x2 + 5x = 0
TOÁN 9-PT BAC HAI

Quiz
•
Mathematics
•
9th Grade
•
Hard
Trần Chi
Used 36+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
x = 0
x = 5
x = -5
x = 0; 5
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Tìm x, biết -5 = 0
5
5; -5
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Tìm x, biết
1
0
2
-2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
, k 0
Cho biết số nghiệm của phương trình sau:
Nghiệm kép
hai nghiệm phân biệt
vô nghiệm
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Phương trình bậc hai , a
có nghiệm kép
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phương trình x2 + mx -4 = 0.
Với m = 0 thì phương trình có nghiệm là:
x = 4
x = 2
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Phương trình có hệ số b là
1
2(m + 1)
-2(m + 1)
-1
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