Factoring Quadratics

Factorise 4x² + 12x + 5.

• (2x + 1)(2x - 5)

• (2x - 1)(2x + 5)

• (2x - 1)(2x - 5)

• 
  

  (2x + 1)(2x + 5)

  
  

What is the factorized form of 3y² + 12y?

• 3y(y - 4)

• 3(y² + 4y)

• 3y(y + 4)

• 3y²(y + 4)

What is the difference of squares formula?

• (a+b)(a−b) = a³ + b³

• (a−b)(a−b) = a² − 2ab + b²

• (a+b)(a+b) = a² + 2ab + b²

• (a+b)(a−b) = a² − b²

What is the factorized form of w⁴ − 16?

• (w²+ 4)(w²− 4)

• (w²− 4)(w²− 4)

• (w²+ 4)(w+ 2)(w− 2)

• (w²− 4)(w+ 2)(w− 2)

What is the best form to express a factored expression?

• Expanded form

• Factored form

• Simplified form

• Complex form

Factor out the GCF to rewrite the given expression

• -8x(x-4)

• -8x(x+4)

• 4x(2x-9)

• -4x(2x+9)

• (x+5)(x+1)

• (x-5)(x-1)

• (x-3)(x-2)

• (x-3)(x+2)

When factoring the trinomial, after you find the factors you'd have to divide them by ___, because it's the _________.

• 4; discriminant

• 2; leading coefficient

• 4; leading coefficient

• 2; quadratic formula