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都立入試[1] 2次方程式 猛特訓

Authored by E Anomuder

Mathematics

7th Grade

Used 4+ times

都立入試[1]  2次方程式 猛特訓
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7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

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難易度★☆☆

(9月)計算せよ。

xx  

2x2x  

x−3x-3  

x+3x+3  

2.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

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難易度★☆☆

(9月)因数分解せよ。

(x−2)2\left(x-2\right)^2  

(x+2)2\left(x+2\right)^2  

(x+2)(x−2)\left(x+2\right)\left(x-2\right)

(x+1)(x+4)\left(x+1\right)\left(x+4\right)

3.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

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難易度★☆☆

(10月18日)因数分解せよ。

(x+4)(x−7)\left(x+4\right)\left(x-7\right)

(x+7)(x−4)\left(x+7\right)\left(x-4\right)

(x+2)(x−14)\left(x+2\right)\left(x-14\right)

(x+4)(x+7)\left(x+4\right)\left(x+7\right)

4.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

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難易度★☆☆

(11月)xを求めよ。

x=−6, 4x=-6,\ 4

x=6, −4x=6,\ -4

x=−8, 3x=-8,\ 3

x=−3, 8x=-3,\ 8

5.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

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難易度★☆☆

(12月)計算せよ。

−7x+37-7x+37

−21x+61-21x+61

−7x+61-7x+61

−21x+37-21x+37

6.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

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難易度★☆☆

(12月)因数分解せよ。

2(3x−y)22\left(3x-y\right)^2

2(3x+y)22\left(3x+y\right)^2

(6x−2y)(3x+y)\left(6x-2y\right)\left(3x+y\right)

(6x−2y)(3x−y)\left(6x-2y\right)\left(3x-y\right)

7.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

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難易度★★☆

(1月)xを求めよ。

x=2±11x=2\pm\sqrt[]{11}

x=1±31x=1\pm\sqrt[]{31}

x=−2±11x=-2\pm\sqrt[]{11}

x=−1±31x=-1\pm\sqrt[]{31}

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