Quadratic Inequalities by Lindsay O'Donoghue
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This example demonstrates the graphical representation of quadratic inequalities. It involves the core mathematical concepts of quadratic functions and their solution sets. By adjusting parameters a, b, c, d, one can observe how the solution set of the inequality changes. The example uses GeoGebra commands: b, a, f, c, d. Suitable for high school mathematics education and learning the solution methods of quadratic functions and inequalities.
GeoGebra Commands & Parameters
b(x, y) = y > ((-(x + 4)) * (x + 6))a(x, y) = y < ((x + 2) * (x - 2))f(x, y) = y < ((x - 7) * (x - 3))c(x, y) = y ≥ ((-(x - 5)) * (x + 1))d(x, y) = y ≥ ((x + 0.5) * (0.5 - x))