Create equations and inequalities in one variable and use them to solve problems.
III.A.CED.3
Represent constraints by equations or inequalities, and by systems of equations and/or inequalities, and interpret solutions as viable or nonviable options in a modeling context.
III.A.CED.4
Rearrange formulas to highlight a quantity of interest, using the same reasoning as in solving equations.
III.A.REI.2
Solve simple rational and radical equations in one variable, and give examples showing how extraneous solutions may arise.
