求下列方程式的解。
x(x-5)=0
若A×B=0,則A=0或B=0(8上4-1)
Quiz
•
Mathematics
•
8th Grade
•
Medium
詹盛仁 詹盛仁
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9 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
求下列方程式的解。
x(x-5)=0
-5
0
5
1
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
求下列方程式的解。
x(3x+7)=0
0
1
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
求下列方程式的解。
(x-6)(x-2)=0
6
-2
-6
2
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
求下列方程式的解。
(3x+4)(5x-1)=0
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
求下列方程式的解。
(8x-5)(5x+3)=0
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
若方程式(x+3)(x+2)=0的兩根為a、b,
且a>b,則a-b=?
-1
1
5
-5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
若方程式(x+6)(x-4)=0的兩根為a、b,
且a>b,則a-b=?
2
-2
10
-10
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
若方程式(5x+2)(2x-1)=0的兩根為a、b,且a>b,則2a-5b=?
-3
3
1
-1
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
若方程式(2x-1)(4x+3)=0的兩根為a、b,且a>b,則2a-4b=?
5
-5
4
-4
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