Quadratic Inequalities - Big Ideas Learning
Previously, you graphed linear inequalities in two variables. You can use a similar procedure to graph quadratic inequalities in two variables. Graphing a Quadratic Inequality in Two Variables Graph y < −x2 − 2x − 1. SOLUTION Step 1 Graph y = −x2 − 2x − 1. Because the inequality symbol is < , make the parabola dashed.
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