Expressing Inequality Solutions in Interval and Set Notation

Advanced Quadratics, Discriminant Analysis, and Inequalities

12th Grade·Math·Open Global Math

Updated 1 month ago · 7 views

Represent solutions of linear and quadratic inequalities using formal interval notation and set-builder notation.

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Advanced Quadratics, Discriminant Analysis, and Inequalities

12th Grade · Math · Open Global Math

7 lessons

Goal

Analyze quadratic functions in depth, evaluate discriminants across real and complex roots, and solve quadratic and linear inequalities in one and two variables.

7 lessons

0 of 7 done

Completing the Square with Arbitrary Leading CoefficientsUp next
Evaluating the Discriminant for Real, Repeated, and Complex RootsNot started yet
Solving Quadratic Equations with Complex SolutionsNot started yet
Solving One-Variable Quadratic Inequalities AlgebraicallyNot started yet
Expressing Inequality Solutions in Interval and Set NotationYou are here
Graphing Linear and Quadratic Inequalities in Two VariablesNot started yet
Modeling and Optimizing Real-World Scenarios with Quadratic InequalitiesNot started yet

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Learning standards covered

OGM.13.FN.1Open Global Math Standards 2026™ · 12th Grade

Analyze quadratic functions and equations, completing the square, evaluating the discriminant for real, repeated, or complex roots, and solving linear and quadratic inequalities in one and two variables graphically and using interval and set notation.