Petra Corretjer De O'neill
Grade 9Pre-Calculus

Petra Corretjer De O'neill – Pre-Calculus

Jun 2026 · Summer Semester

Pre-Calculus · Petra Corretjer De O'neill
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Study circles, ellipses, parabolas, and hyperbolas. Explore infinite series and convergence.

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Sanjiv's profile
Sanjiv
Princeton University
Math has been my passion ever since high school - from earning 1st place nationally in Calculus and Linear Algebra, to competing on the AMC 10, AMC 12, and AIME exams. At Princeton, I tutored peers in Multivariable Calculus, and since then I've worked with middle school through college students in Geometry, Precalculus, Trigonometry, Calculus, and SAT/GRE quantitative prep. I'm dedicated to simplifying complex ideas and helping students build confidence in their own problem-solving skills! I also built my first artificial intelligence tool in 2018, and currently enjoy helping integrate LLMs and Agents for companies!
Pre-Calculus
AP Calculus AB
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Carina's profile
Carina
University of Pennsylvania
I have a bachelor's degree in Business Economics from the Wharton School at the University of Pennsylvania (GPA 4.0) and previously graduated from The Lawrenceville School cum laude. I am currently pursuing a Master's Degree at the London School of Economics. I began tutoring in 2019 and have worked with students of all ages and backgrounds. I'm open to tutoring a very broad range of subjects, with the most experience in math, econ, and test prep. Please reach out if you're interested in working with me or if you have any questions!
Pre-Calculus
AP Calculus AB
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Zach's profile
Zach
Yale University
I am a Yale University Berkeley College graduate of the Yale Class of 2012 with an Intensive B.S. in Molecular, Cellular, and Developmental Biology. Eager for tutoring opportunities, I welcome any of you who wishes to undergo SAT/PSAT or ACT Test Preparation that will get you the scores you need for admission to the college of your choice. As for my experience, I have tutoring experience in both one-to-one settings, going as far back as high school, and group/classroom settings, especially from my 4 years of tutoring with Yale MATHCOUNTS. As a likely future graduate student myself, it is my general goal in life to continue the tradition of passing forth knowledge. Not surprisingly, I have always considered tutoring and education among the most noble of professions where both parties, student and teacher, benefit and learn. What makes me an excellent tutor? Over the course of my life I have had the good fortune of cultivating a variety and number of skill sets, some of which are academic and social in nature. While I certainly consider academic prowess important for the success of any instructor, I would say the most important skill set I have developed is that of adaptability. If a tutor can adapt him/herself to the mode and manner of thinking of another, the tutor, as well as the tutor's audience, will have especially effective and enriching transactions.
Pre-Calculus
Middle Schoo...
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William's profile
William
MIT
From my experience teaching math to a range of students, from middle school through college, I know that it does not come easily to everyone. However, I firmly believe that everyone has the capability for mathematical reasoning. Everyone has their own strengths and challenges, and my job as a tutor begins with identifying these. I like to have students work through problems while I guide them and make suggestions, so that I can get a sense of what they understand and what they don't. Then we can build on their knowledge and break down the challenging parts of the problem into smaller, more manageable chunks. I hold a bachelor's degree from UChicago and a doctorate from MIT, both in mathematics. I am available to tutor Latin, physics, and all levels of math. Outside of academics, I am an avid tournament chess player, and I enjoy running and cycling.
AP Statistics
AP Calculus BC
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