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20211124_多項式の計算①

Authored by Takayuki Yokoi

Mathematics

8th - 9th Grade

Used 29+ times

20211124_多項式の計算①
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

次の式を展開せよ。

①  (5x+2y)(3x−4y)\left(5x+2y\right)\left(3x-4y\right)  

15x2+14x+815x^2+14x+8  

15x2−14x−815x^2-14x-8  

15x2+14xy+8y215x^2+14xy+8y^2  

15x2−14xy−8y215x^2-14xy-8y^2  

その他

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

次の式を展開せよ。

②  (x+3)(x+11)\left(x+3\right)\left(x+11\right)  

x2+14x+33x^2+14x+33  

x2+33x+14x^2+33x+14  

x2+8x+33x^2+8x+33  

x2+33x+8x^2+33x+8  

その他

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

次の式を展開せよ。

③  (a−7)(a+6)\left(a-7\right)\left(a+6\right)  

x2−x−42x^2-x-42  

a2−a−42a^2-a-42  

a2+a−42a^2+a-42  

a2−42a−1a^2-42a-1  

その他

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

次の式を展開せよ。

④  (x−2y)(x−8y)\left(x-2y\right)\left(x-8y\right)  

x2−10x+16x^2-10x+16  

x2−10xy+16y2x^2-10xy+16y^2  

x2−10xy−16y2x^2-10xy-16y^2  

x2+10xy+16y2x^2+10xy+16y^2  

その他

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

次の式を展開せよ。

⑤  (a+8)2\left(a+8\right)^2  

a2+8a+8a^2+8a+8  

a2+8a+64a^2+8a+64  

a2+16a+8a^2+16a+8  

a2+16a+64a^2+16a+64  

その他

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

次の式を展開せよ。

⑥  (x−3y)2\left(x-3y\right)^2  

x2−6x+9x^2-6x+9  

x2−6xy+9y2x^2-6xy+9y^2  

x2−6xy+3y2x^2-6xy+3y^2  

x2−3xy+9y2x^2-3xy+9y^2  

その他

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

次の式を展開せよ。

⑦  (x+10)(x−10)\left(x+10\right)\left(x-10\right)  

x2+10x^2+10  

x2−10x^2-10  

x2+100x^2+100  

x2−100x^2-100  

その他

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