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若A×B=0,則A=0或B=0(8上4-1)

Authored by 詹盛仁 詹盛仁

Mathematics

8th Grade

CCSS covered

Used 26+ times

若A×B=0,則A=0或B=0(8上4-1)
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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

Tags

CCSS.HSA-REI.B.4B

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

求下列方程式的解。
x(3x+7)=0

 73-\frac{7}{3}  

0

 37-\frac{3}{7}  

1

Tags

CCSS.HSA-REI.B.4B

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

Tags

CCSS.HSA-REI.B.4B

4.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

求下列方程式的解。
(3x+4)(5x-1)=0

 34-\frac{3}{4}  

 15\frac{1}{5}  

 43-\frac{4}{3}  

 43\frac{4}{3}  

Tags

CCSS.HSA-REI.B.4B

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

求下列方程式的解。
(8x-5)(5x+3)=0

 35-\frac{3}{5}  

 85\frac{8}{5}  

 58\frac{5}{8}  

 53-\frac{5}{3}  

Tags

CCSS.HSA-REI.B.4B

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

若方程式(x+3)(x+2)=0的兩根為ab

ab,則ab=?

-1

1

5

-5

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

若方程式(x+6)(x-4)=0的兩根為ab

ab,則ab=?

2

-2

10

-10

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

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