root of a function (zero point)

• definition - see intercepts in Functions - Theory - Real functions - Basic properties
• bisection method - see Sequences - Theory - Applications - Bisection method
• Newton method - see Sequences - Theory - Applications - Bisection method and Newton method
• multiplicity of root - see Functions - Theory - Elementary functions - Polynomials and this note
• root of polynomial - see Functions - Theory - Elementary functions - Polynomials