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Quadratic or Not Quadratic Write Q if the equation is a quadratic and NQ if not quadratic.
1. 1/4x2 + 3x = 8
2. 3r + 6r=-7
3. 5m2 - 6m + 1 = 0
4. x2 + 6x -13 = =
5. 3x(2x + 8) + 12 = 0​