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平方完成(2次の係数あり)

Authored by yamamoto shohei

Mathematics

10th Grade

Used 47+ times

平方完成(2次の係数あり)
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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

平方完成せよ。

 y=2x24xy=2x^2-4x  

 2(x1)212\left(x-1\right)^2-1  

 2(x2)242\left(x-2\right)^2-4  

 2(x1)222\left(x-1\right)^2-2  

 2(x2)282\left(x-2\right)^2-8  

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

平方完成せよ。

 y=3x2+6xy=3x^2+6x  

 y=3(x+2)24y=3\left(x+2\right)^2-4  

 y=3(x+1)21y=3\left(x+1\right)^2-1  

 y=3(x+2)212y=3\left(x+2\right)^2-12  

 y=3(x+1)23y=3\left(x+1\right)^2-3  

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

平方完成せよ。

 y=x2+4xy=-x^2+4x  

 y=(x2)2+4y=-\left(x-2\right)^2+4  

 y=(x2)24y=-\left(x-2\right)^2-4  

 y=(x+2)2+4y=-\left(x+2\right)^2+4  

 y=(x+2)24y=-\left(x+2\right)^2-4  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

平方完成せよ。

 y=2x2+8xy=-2x^2+8x  

 y=2(x4)216y=-2\left(x-4\right)^2-16  

 y=2(x2)24y=-2\left(x-2\right)^2-4  

 y=2(x2)2+8y=-2\left(x-2\right)^2+8  

 y=2(x4)2+32y=-2\left(x-4\right)^2+32  

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

平方完成せよ。

 y=3x26xy=-3x^2-6x  


 y=3(x+1)2+3y=-3\left(x+1\right)^2+3  

 y=3(x1)2+3y=-3\left(x-1\right)^2+3  

 y=3(x+1)23y=-3\left(x+1\right)^2-3  

 y=3(x1)23y=-3\left(x-1\right)^2-3  

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