Inequality Calculator
- May 10, 2025
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This inequalities calculator can solve linear, quadratic, and rational inequalities, display step-by-step solutions, and visualise results on a number line. Select the inequality type, enter your expression, and click "Solve" to get started.
Inequality Type
Examples: 2x + 3 > 7, 4x - 2 ≤ 10, -3x + 4 ≥ -8, 5 < x + 2
Examples: x² - 4x + 3 > 0, x² - 9 ≤ 0, 2x² + 5x - 3 ≥ 0, x² + 6x + 9 < 0
Examples: (x - 1)/(x + 2) > 0, (x² + 1)/x ≥ 3, 1/(x - 3) < 2, (x + 4)/(x² - 4) ≤ 0
Examples for 2D systems: 2x + y > 5, x - y ≤ 3, y ≥ 2x, x + 2y < 6