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bab 2 factorisation and algebraic fraction (1)

Authored by Kah Wai

Mathematics

8th Grade

Used 2+ times

bab 2 factorisation and algebraic fraction (1)
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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Faktorkan 75 – 3y2.

Factorise 75 – 3y2.

3(25 – y2)

3(5 – y)(5 + y)

3(5 – y)2

5(15 – 3y2)

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Permudahkan (5r + 2s)(5r – 2s) – 4(r2 + s2).

Simplify (5r + 2s)(5r – 2s) – 4(r2 + s2).

21r2 + 8s2

21r2 – 8s2

21r2 – 24s2

21r2 + 24s2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Antara yang berikut, yang manakah bukan faktor bagi 16n2 – 144?

Which of the following is not the factor of 16n2 – 144?

n –3

16

9n + 3

n2 – 9

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Cari luas, dalam cm2, segi empat tepat bersisi (8a – 3b) cm dan (5a + 7b) cm.

Find the area, in cm2, of a rectangle with sides (8a – 3b) cm and (5a + 7b) cm.

40a2 + 41ab – 21b2

40a2 + 41ab + 21b2

40a2 – 41ab + 21b2

40a2 – 41ab – 21b2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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