Квадрат разности

Квадрат разности

7th Grade

8 Qs

quiz-placeholder

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Квадрат разности

Квадрат разности

Assessment

Quiz

Mathematics

7th Grade

Hard

Created by

Татьяна Миронова

Used 7+ times

FREE Resource

8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (2d)(2+d)=...\left(2-d\right)\left(2+d\right)=...  

 4d24-d^2  

 d24d^2-4  

 2d22-d^2  

 (2d)2\left(2-d\right)^2  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (f+3)(3f)=...\left(f+3\right)\left(3-f\right)=...  

 9f29-f^2  

 f29f^2-9  

 6f26-f^2  

 f2+6f^2+6  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (q+17)(q17)=...\left(q+\frac{1}{7}\right)\left(q-\frac{1}{7}\right)=...  

 q2149q^2-\frac{1}{49}  

 q2114q^2-\frac{1}{14}  

 q217q^2-\frac{1}{7}  

 q2+114q^2+\frac{1}{14}  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (a2+c2)(c2a2)=...\left(a^2+c^2\right)\left(c^2-a^2\right)=...  

 c4a4c^4-a^4  

 a4c4a^4-c^4  

 2a22c22a^2-2c^2  

 a2+2ac+c2a^2+2ac+c^2  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 x10y8=...x^{10}-y^8=...  

 (x5y4)(x5+y4)\left(x^5-y^4\right)\left(x^5+y^4\right)  

 (x8y6)(x8+y6)\left(x^8-y^6\right)\left(x^8+y^6\right)  

 (y4x5)(y4+x5)\left(y^4-x^5\right)\left(y^4+x^5\right)  

 (x5+y4)(x5+y4)\left(x^5+y^4\right)\left(x^5+y^4\right)  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 1100t2=...\frac{1}{100}-t^2=...  

 (110t)(t+110)\left(\frac{1}{10}-t\right)\left(t+\frac{1}{10}\right)  

 (110+t)(t110)\left(\frac{1}{10}+t\right)\left(t-\frac{1}{10}\right)  

 (11000t)(11000+t)\left(\frac{1}{1000}-t\right)\left(\frac{1}{1000}+t\right)  

 (110t)2\left(\frac{1}{10}-t\right)^2  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (0,3w)(0,3+w)=...\left(0,3-w\right)\left(0,3+w\right)=...  

 0,6w20,6-w^2  

 0,09w20,09-w^2  

 0,9w20,9-w^2  

 w20,9w^2-0,9  

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (xy5z)(5z+xy)=...\left(xy-5z\right)\left(5z+xy\right)=...  

 xy225zxy^2-25z  

 x2y225z2x^2y^2-25z^2  

 25zx2y225z-x^2y^2  

 xy225z2xy^2-25z^2