Systems of equations
A line meets a curve 14🔒Combining equations 11🔒Consistency and parameters 17🔒Elimination 17🔒Infinitely many solutions 12🔒Parameters from a known solution 6🔒Substitution 16🔒Symmetric sums of three variables 18🔒Symmetric systems 18🔒Systems from ratios 6🔒Systems with reciprocals 18🔒Systems with roots 18🔒Three or more unknowns 17🔒Two numbers from sum and difference 16🔒