There used to be a whole unit called "Rational Functions" (not expressions, Viet is right) in Algebra 2, just after trigonometry and modeling. Here's an archived version of the page for anyone inte...

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Hello. Could you please confirm if the Rational Expressions unit from Algebra 2 was moved to Precalculus? I was just about to start with that before it disappeared today and I'm worried about the p...

1. Közösség
2. News and Updates from Khan Academy
3. Content Update: Course Updates are on their way in late July 2021!