Classify each polynomial as constant, linear, quadratic, or cubic. Combine like terms first. 1. x3 − 2x x3 A. Constant B. Linear C. Quadratic D. Cubic 2. 4x2 − 6x − 8x2 A. Constant B. Linear C. Quadratic D. Cubic 3. 6x − 6 6x A. Constant B. Linear C. Quadratic D. Cubic 4. 5 4x2 − 4x2 5 A. Constant B. Linear C. Quadratic D. Cubic