Abstract: The main goal of this technical note is to show that the class of systems described by a planar differential equation having a rational proper Lyapunov function has asymptotically stable ...

Multiplying rational algebraic expressions is conceptually similar to multiplying regular fractions. The key is to simplify and factor whenever possible before performing the multiplication. Here's a ...

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For some students, learning algebraic expressions feels like drudgery, but it doesn’t have to be that way. These three activities will get your students moving, talking, and thinking deeply about ...

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