(2а+3)2

квадрат суммы и квадрат разности

Quiz
•
Mathematics
•
7th Grade
•
Medium
Светлана Казыра
Used 8+ times
FREE Resource
9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4а2-9+12а
4а2+9+12а
4а2+9+6а
2а2+9+12а
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(4а2-2)2
16а4+4-16а2
16а4-4+16а2
16а2+4-16а2
16а4-4-16а2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2(3х-5)2
18х2+50-60х
18х2+25-60х
9х2+50-30х
9х2+50-60х
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(-5а+3)2
25а2+9-30а
-25а2+9-30а
25а2+9+30а
25а2+9+15а
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(-х-6у)2
х2+36у+12ху
х2+36у+6ху
х2+36у2+12ху
-х2+36у2-12ху
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt

(-3х-1)2
9х2+6х+1
3х2+6х+1
9х2+3х+1
9х2-6х-1
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Решить уравнение:
(а+1)2-а2=5
4
-4
-2,5
2,5
8.
MULTIPLE CHOICE QUESTION
3 mins • 4 pts
решить уравнение:
-(х+4)2+15+х2+3х=29
-6
-5
6
8
9.
FILL IN THE BLANK QUESTION
1 min • 1 pt
решить уравнение:
(в+4)2-3в-в2=26
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