

Формулы сокращенного умножения
Presentation
•
Mathematics
•
7th - 8th Grade
•
Medium
Галия Бейсенбаева
Used 74+ times
FREE Resource
1 Slide • 12 Questions
1
Формулы сокращенного умножения

2
Multiple Choice
Продолжи формулу a2-b2
(a-b)(a+b)
(a+b)(a+b)
a2-2ab+b2
(a-b)(a-b)
3
Multiple Choice
Продолжите формулу (а-b)2
a2+2ab+b2
a2+ab+b2
a2-2ab+b2
(a-b)(a+b)
4
Multiple Choice
Выполни действие:
(х-3у)²
х²-3ху+9у²
х²+6ху+9у²
х²-6ху-9у²
х²-6ху+9у²
5
Multiple Choice
Замени *, чтобы равенство было верным:
(3b-4c)²=9b²-*bc+16c²
12
-12
24
7
6
Multiple Choice
Замени *, чтобы равенство было верным:
а²+*с²=(a-4с)(a+4с).
4
8
16
-16
7
Multiple Choice
Замени *, чтобы равенство было верным:
4а²-25b²=(2a-*b)(2a+*b)
25
5
12.5
-25
8
Multiple Choice
Выбери верное продолжение тождества (a+b)(a-b)=
a2+b2
a2-b2
а-b
a+b
9
Multiple Choice
Выбери правильную формулу квадрата разности:
(a+b)2=a2+ab+b2;
(a-b)2=a+2ab+b2
(a-b)2=a2-2ab+b2
(a-b)2=a-2ab+b2
10
Multiple Choice
Разложите на множители многочлен 16-x2
(2-x)(2+x)
(4-x)(4+x)
(4+x)(4+x)
(x-4)(x+4)
11
Multiple Choice
Выполни умножение многочленов (р-5)(р+5)
p2-5
p-25
p2-25
p2+25
12
Multiple Choice
Представьте трехчлен в виде квадрата двучлена 4x2 +12x+9
(2+3х)2
(2-3х)2
(2x-3)2
(2x+3)2
13
Multiple Choice
Найди ошибку:
(5+3с)2= 25+30с+ 9с2
(2b2-1)2= 4b2-1
(2b+7cd)(7cd-2b)= 49c2d2- 4b2
Формулы сокращенного умножения

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