1) Which is the value of b in the equation -3x2-5x+4=0 a) -3 b) -5x c) -5 d) 4 2) Which is the value of b in the equation 6x2-4+2x=0 a) 6 b) 2 c) 0 d) -4 3) Wich is the value of c in the equation 4x2+3x=0 a) 3 b) 0 c) 1 d) 4 4) Wich is the value of a in the equation 7x+21-7x2=0 a) 7 b) 21 c) -7 d) 0 5) Wich is the value of a in the equation x2=0 a) 0 b) 1 c) 2 d) -1 6) Wich is the value of c in the equation -3x2+-2x=-6 a) -3 b) -2 c) -6 d) 6 7) Wich is the value of b in the equation -x2-x=0 a) 1 b) -1 c) 0 8) Wich is the value of a in the equation -x2+3=0 a) 0 b) 1 c) -1 d) 3 9) Wich is the value of c in the equation x2+x=0 a) 0 b) 1 c) -1 d) x 10) Is the equation 2x3+4x2+5x-6=0 a quadratic equation? a) YES b) NO

Chasing coefficients

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