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ЕКІ ӨРНЕКТІҢ ҚОСЫНДЫСЫНЫҢ ЖӘНЕ АЙЫРМАСЫНЫҢ КВАДРАТЫ

Authored by Майра Жумадилла

Mathematics

7th Grade

Used 1+ times

ЕКІ ӨРНЕКТІҢ ҚОСЫНДЫСЫНЫҢ ЖӘНЕ АЙЫРМАСЫНЫҢ КВАДРАТЫ
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10 questions

Show all answers

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.

FILL IN THE BLANKS QUESTION

15 mins • 1 pt

(x - 4)2 + 2(4 + x)(4 - x) + (x + 4)2

найди значения при х = -1,2

(a)  

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Упрости выражение

(7m - 2)2 - (7m - 1)(7m + 1)

28m + 10.

- 28m - 5.

- 28m + 5.

28m + 5.

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

(3x + 4y)2=?

9x2+24xy+4y2

9x2-24xy+16y2

3x2+24xy+16y2

9x2+24xy+16y2

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

(x – xy2)2 =?

x2-2x2y2+x2y4

x2+2x2y2+x2y4

2x2-2x2y2+x2y4

x2-x2y2+x2y4

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Көбейткіштерге жікте: 36x2 – 12xc2 + c4.

(4x – c)2

(4x + c)2

(6x +c)2

(6x – c)2

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Көпмүше түрінде жаз: (5d – 2c)2=?

25d2 – 20dc + 4c2

25d2 – 20dc -4c2

25d2 +20dc + 4c2

25d2 – 20dc + 2c2

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