Phương trình bậc hai và công thức nghiệm

Quiz
•
Mathematics
•
9th Grade
•
Medium
Nguyễn Hoàng Long
Used 21+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Cho phương trình có các hệ số:
a=1; b=2; c=1
a=0; b=2; c=1
a=2; b=2; c=1
a= ; b=2; c=1
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Các hệ số của phương trình 3x2 - 2x + 2 = 0
a=3; b=2; c=2
a=3; b= - 2; c=2
a=3; b=2; c=0
a=3; b=2x; c=2
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Phương trình có các hệ số:
a = 1; b = 0; c = -5
a = 1; b = 0; c = 5
a = 1; b = -5; c = 0
a = 1; b = 5; c = 0
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Chỉ ra phương trình bậc hai một ẩn x trong các phương trình sau:
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Giá trị của biệt thức Δ trong phương trình là:
0
1
3
Không xác định được
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cho phương trình . Chọn đáp án đúng:
Không xác định được
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho có hệ số c là:
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