Punca Persamaan Kuadratik

Selesaikan persamaan kuadratik
Solve the quadratic equation
2k² + 9k + 4 = 0

• (x + 1)(x - 4) = 0
• (2x - 1)(x - 4) = 0
• (2x + 1)(x + 4) = 0
• (x + 3)(x + 4) = 0

Tuliskan Nama dan Kelas anda.

Faktorkan persamaan kuadratik
Factorise the quadratic equation
x² + 6x + 8 

• (x + 6)(x - 2)
• (x - 2)(x - 4) 
• (x + 1)(x + 3)
• (x + 2)(x + 4) 

Selesaikan persamaan
Solve the quadratic equation
x(2x + 5) = 3
2x² + 5x - 3 = 0 

• (2x -1)(x - 3) = 0
  x = 0.5, x = 3
• (2x + 1)(x + 3) = 0
  x = -0.5, x = -3
• (2x + 5)(x + 3) = 0
  x = -5/2,  x = -3
• (x + 3)(2x - 1) = 0
  x = -3, x = 0.5

Selesaikan persamaan
Solve the quadratic equation
x(2x + 5) = 3
2x² + 5x - 3 = 0 

• (2x -1)(x - 3) = 0
  x = 0.5, x = 3
• (2x + 1)(x + 3) = 0
  x = -0.5, x = -3
• (2x + 5)(x + 3) = 0
  x = -5/2,  x = -3
• (x + 3)(2x - 1) = 0
  x = -3, x = 0.5

Selesaikan persamaan
x(2x + 5) = 3

• (2x -1)(x - 3) = 0
  x = 0.5, x = 3
• (2x + 1)(x + 3) = 0
  x = -0.5, x = -3
• (2x + 5)(x + 3) = 0
  x = -5/2,  x = -3
• (x + 3)(2x - 1) = 0
  x = -3, x = 0.5

Cari nilai-nilai p jika persamaan
x² + 4x + 13 = p ( 2 - x )
mempunyai dua punca yang sama

• p = -18 ,  p = - 2
• p  -18,  p = 2
• p = 6, p = -6

Tentukan sama ada persamaan kuadratik yang berikut mempunyai dua punca berbeza, sama atau tiada punca
c) x² + 12x + 36  = 0

• Punca yang sama
• Tiada Punca
• Punca yang berbeza

Apakah jenis graf tersebut?

• linear

• kuadratik

• kubik

• salingan

• linear

• kuadratik

• kubik

• salingan