Linear Inequalities
A budget that must stay below a limit or marks that must cross a cutoff are statements of inequality. Chapter 5, Linear Inequalities, of the NCERT Mathematics textbook for Class 11 solves them first on the number line and then in the plane. You will handle inequalities in one variable with intervals on the line, graph the solution region of a linear inequality in two variables as a half plane, and solve a system by shading the common region. Word problems on costs and scores motivate each step.
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