Assessment – Factorization method of Quadratic Equation

Factorize this trinomial by grouping method

1. -8x + 60x – 28
   A. -4[(x-7)(2x+1)]
   B.-4[(x+7)(2x-1)]
   C. -4[(x-7)(2x-1)]
   D. -4[(x+7)(2x+1)]
2. Factorize by perfect square method – V² + 14V + 49
   A. (V + 7) (V – 7)
   B.  (V – 7) (V – 7)
   C.  (V + 7) (V +7)
   D. (V – 7) (V + 7)
3. Factorize by perfect square method x²– 10x + 25
   A. (x – 5)²
   B. (x + 5)²
   C. (x – 10)²
   D. (x + 10)²
4. Factorize by common factors 5x²+ 15x
   A. 5x(x + 3)
   B.  3x(x – 3)
   C. 5x(x – 5)
   D. 5x(x – 3)
5. Factorize by perfect square method x² + 2x + 1 = 0
   A. (x + 3)³ = 0
   B. (x + 3)² = 0
   C. (x – 3)² = 0
   D. (x – 3)³ = 0