Ôn tập về phương trình tích-Thầy Hùng
Quiz
•
Mathematics
•
1st - 2nd Grade
•
Practice Problem
•
Medium

Phú THCS
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phương trình (x+4)(x - 5) =0 có nghiệm là
x=4; x=5
x=-4; x=5
x=-4; x=-5
x=4; x=-5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phương trình (x-3)(x+5) có hai nghiêm x=a và x=b khi đó
a+b=8
a+b=-2
a+b=2
a+b=-8
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
phương trình (2x+4)(3x-12)=0 có tập nghiệm là
S={-4; 12}
S={-2; -4}
S={-2; 4}
S={4;-12}
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phương trình : (x -5)(x-7) =0 có hai nghiệm x=a và x= b khi đó:
2a +b=12
2a+b=9
2a+b=17
2a+b=3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phương trình : 2x(x-3) =4x-12 có nghiệm là
x=-2 và x=3
x=4 và x=3
x=2 và x=3
x=3 và x=12
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tập nghiệm s ={ 3; 4} là của phương trình nào?
(x +3)(x-4) = 0
(3x-4)(4x-3) = 0
3x(x -4) =0
(x - 3)(x -4) =0
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phương trình : có tập nghiệm là
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