Екі өрнектің қосындысының квадраты және айырмасының квадраты
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Mathematics
7th Grade
Used 6+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Упрости выражение
(b + 3с)2 + (b + 3c)(b - 3c)
2b2 + 6bc
b2 + 9c2
2b2 + 6c - 9c2
2b2 + 6c + 9c2
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
(3у - 5)2=?
9у2 - 15у + 25
3у2 - 30у + 25
9у2 - 30у +25
9у2 - 30у -25
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
(а + 2)(2 - а)=?
а2 - 4
4 - а2
а2 + 4
а2 + 4a+4
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
(0,4а + 10с)(10с - 0,4а)
1,6а2 - 10с2
100с2 - 0,16с2
0,16с2 - 100а2
0,16с2 + 100а2
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Упрости выражение
(2а - b)(2a + b) + b2
4a2 - 4ab + b2
4a2
4a2 - b2
4a2 + b2
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Упрости выражение
(x + 8)(x - 8) - x(x - 6)
6x - 64.
6x +64.
-6x - 64.
6x - 4.
7.
FILL IN THE BLANKS QUESTION
15 mins • 1 pt
a=?
(a)
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