Bài tập công thức nghiệm phương trình bậc hai
Quiz
•
Mathematics
•
1st - 6th Grade
•
Medium
Ty Tran
Used 8+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Hệ số a,b,c của phương trình -x2+3x-4=0 là
a=-1; b=3; c=4
a=1; b=3; c=4
a=-1; b=3; c=-4
a=1; b=3; c=-4
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Nghiệm của phương trình x2+4x-5=0 là
1; -5
-1; 5
1; 5
-1; -5
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Nghiệm của phương trình x2-4=0 là
2
4; -4
2; -2
4
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Nghiệm của phương trình x2+3x=0 là
0; 3
0; -3
1; 3
3; -1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phương trình x2-2mx+m2-m+1=0 có nghiệm kép. Giá trị m là
m=1
m=-1
m=2
m=0
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