Write E if Extracting Square Roots is the most appropriate to use in solving the given quadratic equation, F if by Factoring, C if by Completing the Square, and Q if by using the Quadratic Formula. 1. w²+5w+6=0 2.1²-16=0 3. s² +10s = -9 4. 2x² +7x+5=0 5. m²-3m +2=0 ions: Encircle the letter that corresponds to your answer.​