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Parabola: quadratic function y = ax² + bx + c

Explore how coefficients a, b, and c change the parabola, its vertex, axis of symmetry, and roots.

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Plot points, reflect shapes, and test transformations on the coordinate plane.

Learn fractions as parts of a whole and equivalent forms (fraction, decimal, percent) with cards, number line, and missions.

Build lines, find intercepts and intersections, and solve two-variable systems.