About this lesson
About Systems of Equations & Inequalities
Systems of Equations & Inequalities is an interactive Grade 9 mathematics lesson on Scholi. Solve systems by substitution and elimination, handle three unknowns, graph feasible regions, and optimize an objective.
What this lesson covers
- Substitution
- Elimination
- Feasible Regions
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Common questions
What does Systems of Equations & Inequalities cover in Grade 9?
Systems of Equations & Inequalities covers Substitution, Elimination and Feasible Regions. It is an interactive Grade 9 mathematics lesson: you explore each idea with a visualizer, check the rules on a cheat sheet, and answer practice questions that are marked as you go.