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Aljabar kelas 7

Authored by idk 124

Mathematics

7th Grade

Used 16+ times

Aljabar kelas 7
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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 10 pts

Bentuk sederhana dari 4x + 12y − 10z − 8x + 5y − 7z adalah...

(A) −12x+12y−3z

(B) −4x+17y−17z

(C) 4x+7y−17z

(D) 12x+12y+17z

2.

MULTIPLE CHOICE QUESTION

15 mins • 10 pts

Bentuk sederhana dari 6a − 12b − 5c − 7b + 2c − 2a adalah...

−4a+19b−3c

4a−19b−3c

4a+19b−3c

8a−19b−3c

3.

MULTIPLE CHOICE QUESTION

15 mins • 10 pts

Hasil dari 5x − 6y + 7z − 6x − 4y − 2z adalah...

11x−10y+9z

5x−9y+7z

x−10y+5z

−x−10y+5z

4.

MULTIPLE CHOICE QUESTION

15 mins • 10 pts

Perhatikan pernyataan berikut!

I.4x²−9=(2x+3)(2x−3)

II.2x²+x−3=(2x−3)(x+1)

III.x²+x−6=(x+3)(x−2)

IV.x²+4x−5=(x−5)(x+1)

Pernyataan yang benar adalah...

I dan II

II dan III

I dan III

II dan IV

5.

MULTIPLE CHOICE QUESTION

15 mins • 10 pts

Manakah dibawah ini yang merupakan identitas

(A) (a−b)(a+b)=a²−b²

(B) a²−b²=(a−b)²

(C) a²+b²=(a+b)²

(D) (ab)²=a²+ab²

(a−b)(a+b)=a²−b²

a²−b²=(a−b)²

a²+b²=(a+b)²

(ab)²=a²+ab²

6.

MULTIPLE CHOICE QUESTION

15 mins • 10 pts

Media Image

hasil pengurangan dari gambar di samping adalah

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7.

MULTIPLE CHOICE QUESTION

15 mins • 10 pts

Penyederhanaan bentuk (2x+3)²−(x−2)², adalah...

3x²+8x+13

3x²+16x+5

3x²+4x+13

3x²+8x+5

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