Calthera Studio
Explore quadratic inequalities on an interactive parabola
ABOUT THE APPCritique and resolve quadratic inequalities with a visual, step-by-step studio.
Calthera Studio presents quadratic inequalities alongside an interactive parabola where you can drag roots and test any x‑value to see where the expression is positive, negative, or zero. The workspace is organized into three stages: a graph view with shaded solution intervals, an algebra view that rewrites the inequality into factored form, and a symbolic solver that reports the final answer set.
What you can do:
- Enter a quadratic inequality in standard form and switch between graph, algebra, and solver views.
- Drag the parabola's roots and vertex to see how the sign chart changes in real time.
- Hover over the number line to check the sign of the expression at any point.
- Generate randomized practice problems and see worked solutions with every step shown.
- Keep a short log of inequalities you have explored during a session.
The interface stays in a single dark workspace, so the graph, sign chart
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