Activity 2 Determine each of the following whether it is a perfect square trinomial or not. Write PST if it is a perfect square trinomial and NSPT if it is not. 1. x2 + 2x - 2 2. x2 + 4x + 4 3. 4x2 _ 8x +2 4. x2 _ 6x + 9 5. 2x2 _ 4x +4\fabout solving quadratic equation by completing the square. ASSESSMENT Solve the following equation by completing the square. 1. x2 + 7x + 12=0 2. x2+ 7x + 5=0 3. x2 + 8x + 15=0 4. 4x2 - 32x = -28 5. x2+12x + 32 = 0 NT