Tajuk : PERSAMAAN KUADRATIK

QUADRATIC EQUATIONSPAPER 1

1. Ungkapkan x(3x 2) = x2 + 5 dalam bentuj am

[2 marks]Answer : ........2. Bentukkan persamaan dengan punca-punca 2 dan (3.

[2 marks]Answer: ........3.Bentukkan persamaan dengan punca-punca (3 dan . Beri jawapan dalam bentuk , dimana a, b dan c adalah pemalr

[2 marks]

Answer: ........ 4.Selesaikan persamaan 2x(3x 1) + 9x = 5.

[3 marks]

Answer : ........5. Selesaikan persamaan kuadratik 2x(x 4) = (1 x)(x + 2).

Beri jawapan dalam 3 angka beerti

[4 marks]

Answer : ........6 Diberi satu dari punca persamaan kuadratik x2 + kx +1 = 0 adalh 4 kali punca yang

satu lagiTentukan nilai k.

[3 marks]Answer : ........10 Given that m and n are the roots of the quadratic equation x2 + 3x 9 = 0, form a quadratic equation whose roots are and .

(4marks]Answer : ........

11.Find the range of values of p if the quadratic equation has two distinct roots.

[3 marks]Answer : ........12. The quadratic equation has no roots. Find the range of values of k .

[3 marks]Answer : ........13.The quadratic equation has two distinct roots. Find the rangeof values of p.

[2 marks]Answer : ........14. A quadratic equation has two equal roots.

Find the possible values of p.

[3 marks]

Answer : ........ANSWER1. 2x2 ( 2x 5 = 02. x2 + x 6 = 0

3. 2x2 + 5x 3 = 0

4. ,

5. h = 1, h = 46. x = 2.591 , x = (0.2573

7. x = 3.351, x = 0.1498.

9. Roots = (1, (3,

10. 4x2 + 6x 9 = 011.

12. k > 313. p <

14.

p = 8,- 4.PAGE 1

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