Negative Scalar Multiplication Number Line Demo
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This example demonstrates the geometric meaning of negative scalar multiplication on a number line, showing how vectors stretch and change direction. Core math concepts include vectors, scalar multiplication, and number line representation. It uses GeoGebra commands like Vector and Segment to build an interactive model. Suitable for high school mathematics teaching, focusing on vector operations and linear algebra basics.
GeoGebra Commands & Parameters
Vector(A, B) → CSegment((0, 0), A) → gSegment(((a * b), 0.8), ((a * b), 1.2)) → hSegment(((a * b), 0), B) → fSegment(((a * b), 0.8), ((a * b), 1.2)) → iVector(A, B) → DVector((0, -1), (b, -1)) → vVector((-0.0445490977408, 1.8), (b, 1.8)) → w