3472/2 NAMA : Additional Mathematics TING : Paper 2 MEI 2015 2½ hours

SMK RAJA JUMAAT

3472/2 NAMA : Additional Mathematics TING : Paper 2 MEI 2015 2½ hours

SMK RAJA JUMAAT

JANGAN BUKA KERTAS SOALAN INI SEHINGGA DI BERITAHU

1. This question paper consists of TWO sections:Section A and Section B

2. Answer all questions in Section A and

four questions from Section B.

3. Give only one answer / solution to each question.

4. Show your working. It may help you to get marks.

5. The diagrams in the questions provided are not

drawn to scale unless stated.

6. The marks allocated for each question and

sub-part of a question are shown in brackets.

7. A list of formulae is provided on pages 2

8. You may use a four-figure mathematical table.

9. You may use a non-programmable scientific

calculator.

Untuk Kegunaan PemeriksaSoalan Markah

Penuh Markah diperoleh

A 1 5 2 6 3 7 4 6 5 8 6 8

40B 7 10 8 10 9 10 10 10 11 10 12 10

40

TOTAL 80

Prepared by Validated by

…………………………………….. …………………………………….. Pn Soon Siew Lee Pn Norhayati Ali Panitia Head for Add Maths Head of Department SMK Raja JUmaat Maths and Science

SMK Raja JUmaat

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Section ABahagian A[40 marks]

[40 markah]

Answer all questions from this section.Jawab semua soalan daripada bahagian ini.

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The quadratic equation x² -7x + 12=0 has roots α and β ,where α < β Persamaan kuadratik x² -7x + 12=0 mempunyai punca-punca α and β ,dengan keadaan α < βa) Find

Cari

i)the value of α and β nilai α and β ii) the range of x if x² -7x + 12 ≤ 0 julat x jika x² -7x + 12 ≤ 0 (4 marks)

( 4 markah)

b) Using the values of α and β from 4a)(i),form the quadratic equation that has roots

α - β and 2β + 1 Dengan menggunakan nilai-nilai α dan β dari 4a)(i), bentukkan persamaan

kuadratik yang mempunyai punca-punca α - β and 2β + 1 ( 2 mark/markah)

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