Identify which if the following are quadratic and which are not. 1. 3m+8=15 2. x(2)-5x +10=0 3. 12 -4x=0 4. 2t -7t =12 5. 6 -2x +3 x(2)=0 6. 25 -r(2) =4r 7. 3x (x -2)=-7 8. 1/2 (1 -6)=0 9. (x+2)(2)=0 10. (w -8) (w+5)=14 Answer: Step-by-step explanation: Quadratic Equation 2. x(2)-5x +10=0 5. 6 -2x +3 x(2)=0 6. 25 -r(2) =4r 7. 3x (x -2)=-7 10. (w -8) (w+5)=14 Not 9. (x+2)(2)=0 8. 1/2 (1 -6)=0 1. 3m+8=15 3. 12 -4x=0 4. 2t -7t =12 #JuneChallenge
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