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F.O.I.L Geometrically
Author:
Jeff Pettit
See how the F.O.I.L method (multiplying two linear expressions) creates a rectangle.
GeoGebra
New Resources
Poorly Drawn Parallelograms 2
Exploring the Derivative of a Quadratic Function
Dissections by Guillermo Bautista
Parallelograms: Quick Investigation
Explore the invariant lines of matrix {{-2,5},{6,-9}}
Discover Resources
Trig. ADR.
Understanding The Parameters of a Sin Wave
Acute Triangle Problem
perpendicular line through a point
num. 6
Discover Topics
Natural Numbers
Cosine
Incircle or Inscribed Circle
Intersection
Step Functions