Формулы сокращенного умножения

Формулы сокращенного умножения

8th - 9th Grade

7 Qs

quiz-placeholder

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Формулы сокращенного умножения

Формулы сокращенного умножения

Assessment

Quiz

Mathematics

8th - 9th Grade

Medium

Created by

Alexandra Radova

Used 10+ times

FREE Resource

7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Дописать равенство: (3a+2b)2=9a2+12ab+…

4b2

8b

2b2

6ab

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Раскрыть скобки: (2a+5)2

(2a+5)(2a-5)

2a2-20ab+25

4a2+10a+25

4a2+20a+25

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Возведите в куб двучлен (3х + 2)3:

27х3+ 54 х2 + 36х + 8

27х3+ 36х2 + 54х +8

3 + 18х + 8

(3x+2)(9x2-6x+8)

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Заменить звездочку (*) одночленом так, чтобы получилось верное равенство. (7x+1)2=(*)+14x+1

49x2

7x2

14x2

21x

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Разложите на множители: 100 - k6:

(10 - k3)(10 + k3)

(10 - k4)(10 + k2)

(k3 - 10)(k3 + 10)

(k2+10)(k6-10)

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Представить в виде степени: 252+40xy+16y2

(25x+4y)2

(5x+4y)2

(25x+16y)2

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Выполните возведение в квадрат: (7b + b5)2:

49b2 + 7b6 + b10

49b2 + 14b6 + b10

7b2 + 14b2 + 7b2