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Jules

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Physics

Patrick

General Biology

Jason

Financial Accounting

Brian

Dive deep into Psychology with videos, practice problems, and more.

Psychology

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The first in a two-course sequence introduces the basic structure and functions of the human body

Anatomy & Physiology

Bruce

College Algebra covers algebraic topics and skills necessary to succeed in college-level math

College Algebra

Organic Chemistry

Johnny

Genetics

Kylia

GOB Chemistry

Dive deep into General, Organic, and Biological Chemistry with videos, practice problems, and more.

Intro to Chemistry

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Cell Biology

Analytical Chemistry

Study topics incliding trogonometric functions, identities and equations, solutions of triangles, complex numbers, and other topics as time permits

Trigonometry

Callie

Learn the toughest concepts covered in Precalculus with step-by-step video tutorials and practice problems by world-class tutors

Precalculus

Nick

Learn the toughest concepts covered in Calculus with step-by-step video tutorials and practice problems by world-class tutors

Calculus

Learn the toughest concepts covered in Business Calculus with step-by-step video tutorials and practice problems by world-class tutors

Business Calculus

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Business Statistics

Learn the toughest concepts covered in Statistics with step-by-step video tutorials and practice problems by world-class tutors

Statistics

Biochemistry

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Dive deep into Personal Health with videos, practice problems, and more.

Personal Health

Dive deep into Nutrition with videos, practice problems, and more.

Nutrition

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Dive deep into Python with videos and more.

Introduction to Python

Arianne Dee

Agile Project and Product Management

Agile & Product Management

Mariya Breyther

Introduction to Microsoft Power BI

Microsoft Power BI

Chris Sorensen

Data Analysis Fundamentals with Excel

Data Analysis - Excel

Chris Sorensen & Ammul Shergill

Getting Started with  and Cryptocurrency

Introduction to Blockchain

George Levy

Learn Enough HTML, CSS and Layout to be Dangerous

HTML, CSS & Layout

Lee Donahoe & Michael Hartl

Learn Enough JavaScript to be Dangerous: A Tutorial Introduction to Programming with JavaScript

Introduction to JavaScript

Michael Hartl

R Programming

Jared P. Lander

Digital Marketing Analytics Beyond Advertising

Digital Marketing

Mike Moran

Project Management

Jeffrey K. Pinto

AI in Marketing

Product & Marketing

Programming

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Need a solid foundation before calculus? Precalculus concepts like functions, sequences, and limits are clarified to prepare you for success.

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Patrick Ford

0. Fundamental Concepts of Algebra

1. Equations and Inequalities

2. Graphs

3. Functions & Graphs

4. Polynomial Functions

5. Rational Functions

6. Exponential and Logarithmic Functions

7. Measuring Angles

8. Trigonometric Functions on Right Triangles

9. Unit Circle

10. Graphing Trigonometric Functions

11. Inverse Trigonometric Functions and Basic Trig Equations

12. Trigonometric Identities 

13. Non-Right Triangles

14. Vectors

15. Polar Equations

16. Parametric Equations

17. Graphing Complex Numbers

18. Systems of Equations and Matrices

19. Conic Sections

20. Sequences, Series & Induction

21. Combinatorics and Probability

22. Limits & Continuity

23. Intro to Derivatives & Area Under the Curve

Default TOC

Products and Quotients of Complex Numbers

Powers of Complex Numbers (DeMoivre's Theorem)

Two Variable Systems of Linear Equations

Introduction to Matrices

Determinants and Cramer's Rule

Graphing Systems of Inequalities

Introduction to Conic Sections

Circles

Ellipses: Standard Form

Parabolas

Hyperbolas at the Origin

Hyperbolas NOT at the Origin

Sequences

Arithmetic Sequences

Geometric Sequences

Factorials

Combinatorics

Probability

Introduction to Limits

Finding Limits Algebraically

Continuity

Tangent Lines & Derivatives

Limits at Infinity

Limits of Sequences

Area Under a Curve

Precalculus Final - Part 2 of 2

When converting the system of equations 2x + 3y = 5 and x - y = 2 into a matrix, why is it important to align the variables consistently?