Practice these questions from when they appeared on released FRQs:
Access these FRQs and more on the class FRQ database.
1998 FRQ #6, 2000 FRQ #5, 2001 FRQ #6, 2004 FRQ #4, 2005B FRQ #5, 2007B FRQ #5, 2008B FRQ #6, 2011 FRQ #5, 2015 FRQ #4, 2015 FRQ #6, 2019 FRQ #4, 2021 FRQ #5, 2023 FRQ #6, and 2025 FRQ #6.
The nice thing about implicit in the FRQ section, is that they often tell you what the derivative is equal to, and you just have to show why that is true.
Notes and practice for implicit differentiation:
Explanation, notes and examples:
Link
Practice worksheet:
9 practice questions over implicit diffferentiation of good variety with solutions provided