формулы сокращенного умножения

формулы сокращенного умножения

7th - 8th Grade

10 Qs

quiz-placeholder

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формулы сокращенного умножения

формулы сокращенного умножения

Assessment

Quiz

Mathematics

7th - 8th Grade

Hard

Created by

Шолпан Утемисова

Used 23+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Представьте трехчлен в виде квадрата двучлена 4x2 +12x+9

(2+3х)2

(2-3х)2

(2x-3)2

(2x+3)2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Выполни умножение многочленов (р-5)(р+5)

p2-5

p-25

p2-25

p2+25

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Разложите на множители многочлен 16-x2

(2-x)(2+x)

(4-x)(4+x)

(4+x)(4+x)

(x-4)(x+4)

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Замени *, чтобы равенство было верным:

(3b-4c)²=9b²-*bc+16c²

12

-12

24

7

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Выполни действие:

(х-3у)²

х²-3ху+9у²

х²+6ху+9у²

х²-6ху-9у²

х²-6ху+9у²

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Возвести в квадрат сумму 4+3х

4+12х+3х2

16+24х +9х2

2+12х+16

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

В тождестве (a + *)2 = a2 + 4ab2 +4b4 значок * можно заметь одночленом:

2b2

-2b2

-4b2

4b2

такого одночлена не существует

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