
Қысқаша көбейту формулаларын қолданып, өрнектерді түрлендіру

Quiz
•
Mathematics
•
7th Grade
•
Hard
no name
Used 5+ times
FREE Resource
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Упростить выражение:
Өрнекті ықшамда:
х(х+4)-(х-4)2
12х-8
12х-16;
16х-16;
-12х+16;
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Упростить выражение:
Өрнекті ықшамда:
6а + (4а – 3)2
14а2 – 18а + 9
16а2 – 16а + 9
16а2 – 18а + 9
16а2 – 18а + 8
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Упростить выражение:
Өрнекті ықшамда:
(3х – 2)(3х + 2) – (1 + х)(х – 1)
8х + 3
8х2 + 3
8х – 3
8х2 – 3
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Выберите верные тождества
Дұрыс теңдіктерді көрсетіңіз:
1) (а – 3в)2 = а2 + 6ав + 9в2
2) (4х2 + 3у)2 = 16х4 + 24х2у + 9у2
3) (5 – у)(5 + у) = 25 – у2
1,2
2,3
1,3
3
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Упростить выражение:
Өрнекті ықшамда:
(x – 5)2 – 4x(x + 3).
3x2-22x+25
-3x2-22x+25
-3x2+22x+25
-3x2-22x-25
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Упростить выражение:
Өрнекті ықшамда:
(y + 4)2 – 5y(y – 6).
-4y2-22y-16
-4y2-22y+16
4y2-22y+16
-4y2-2y+16
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
(х-2)2-(х2+3х)=?
4-7х
7х-4
-4-7х
7х+4
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