
BÀI TRẮC NGHIỆM Phần Đại số toan 9
Authored by C2 Huong
Mathematics
9th Grade
Used 1+ times

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18 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(2;1)
( 3;1)
(1;3)
(3; -1)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phương trình x2 + 2x + 5 = 0 có biệt thức ∆ bằng
-16
24
22
-1
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Phương trình ax2 + bx + c = 0 (a ≠ 0) có a - b + c = 0 thì phương trình có hai nghiệm là?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đồ thị hàm số y = ax2 đi qua điểm A(1; 2). Khi đó a bằng
1
2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Điểm A(-2; -1) thuộc đồ thị hàm số nào?
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Cặp số nào dưới đây là nghiệm của phương trình 2x - 3y = 9
(-3 ; 1)
(3 ; 1)
(3 ; -1)
(-3 ; -1)
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Trong các phương trình sau phương trình nào có 2 nghiệm phân biệt?
x2 – 6x +9 = 0
x2 + 1 = 0
3x2 - 5x - 1 = 0
x2 + x + 1 = 0
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