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利用平方根概念解方程式(8上4-2)

Authored by 詹盛仁 詹盛仁

Mathematics

8th Grade

Used 16+ times

利用平方根概念解方程式(8上4-2)
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12 questions

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1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

解一元二次方程式

x2=4

2

-2

4

-4

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

解一元二次方程式

x2=9

9

-3

3

-9

3.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

解一元二次方程式

 ( x+2)2=64\left(\ x+2\right)^2=64  

6

-6

10

-10

4.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

解一元二次方程式

 ( x+4)2=36\left(\ x+4\right)^2=36  

-2

2

10

-10

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

解一元二次方程式

 ( x4)2=100\left(\ x-4\right)^2=100  

14

6

-6

20

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

解一元二次方程式

 ( x5)2=81\left(\ x-5\right)^2=81  

14

4

-4

-14

7.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

解一元二次方程式

 ( x7)2=4\left(\ x-7\right)^2=4  

9

-5

5

-9

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