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代入法

Authored by Yan Wong

Mathematics

7th - 11th Grade

Used 1+ times

代入法
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7 questions

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1.

FILL IN THE BLANK QUESTION

1 min • 1 pt

 y=x22y=x^2-2 ,當  x=2x=2 ,  y=?y=?  

2.

FILL IN THE BLANK QUESTION

1 min • 1 pt

 y=2x+1y=2x+1 ,當  x=0x=0 ,  y=?y=?  

3.

FILL IN THE BLANK QUESTION

1 min • 1 pt

 y=3x2y=3x-2 ,當  x=2x=2 ,  y=?y=?  

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

 y=x2y=x-2 ,當  x=2x=2 ,  y=?y=?  

5.

MULTIPLE SELECT QUESTION

1 min • 1 pt

 y=x2y=x-2  ,以下哪些 (x,y)\left(x,y\right)  是方程的解?

 (2,0)\left(2,0\right)  

 (3,1)\left(3,1\right)  

 (4,2)\left(4,2\right)  

 (1,2)\left(1,2\right)  

6.

MULTIPLE SELECT QUESTION

1 min • 1 pt

 2xy=02x-y=0  ,以下哪些 (x,y)\left(x,y\right)  是方程的解?

 (0,0)\left(0,0\right)  

 (1,2)\left(1,2\right)  

 (1,2)\left(1,-2\right)  

 (1,2)\left(-1,2\right)  

7.

MULTIPLE SELECT QUESTION

1 min • 1 pt

 y=2x+1y=2x+1  ,以下哪些 (x,y)\left(x,y\right)  是方程的解?

 (1,3)\left(1,3\right)  

 (1,1)\left(-1,1\right)  

 (2,4)\left(2,4\right)  

 (2,5)\left(2,5\right)  

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