Precalculus Courses and Certifications

Professor Leonard

Finding Domain of Composite Functions - Precalculus - College Algebra

Learn to perform function composition and determine domains of composite functions in this comprehensive precalculus lesson.

• YouTube
• 29 minutes
• On-Demand
• Free Video

Professor Leonard

Inequalities with Rational Functions - Precalculus - College Algebra

Explore solving inequalities with rational functions, focusing on x-intercepts and vertical asymptotes to determine solution intervals on the x-axis. Enhance your precalculus and college algebra skills.

• YouTube
• 58 minutes
• On-Demand
• Free Video

Professor Leonard

Graphing Rational Functions with Transformations - Precalculus - College Algebra

Learn to graph rational functions with transformations, focusing on vertical asymptotes and their behavior. Master techniques for accurately determining multiplicity and creating precise graphs.

• YouTube
• 46 minutes
• On-Demand
• Free Video

Professor Leonard

How to Use the Rational Zeros Theorem - Precalculus - College Algebra

Learn to apply the Rational Zeros Theorem to find potential rational roots of polynomial functions, enhancing your problem-solving skills in precalculus and college algebra.

• YouTube
• 1 hour 21 minutes
• On-Demand
• Free Video

Professor Leonard

Descartes Rule of Signs - Precalculus - College Algebra

Learn to determine polynomial function x-intercepts using Descartes' Rule of Signs, a powerful technique for analyzing polynomial behavior and roots.

• YouTube
• 31 minutes
• On-Demand
• Free Video

Professor Leonard

How to Sketch Polynomial Functions - Precalculus - College Algebra

Learn to graph polynomial functions by identifying key points, multiplicities, and end behaviors for accurate visual representations.

• YouTube
• 1 hour 4 minutes
• On-Demand
• Free Video

Professor Leonard

Power Functions - Precalculus - College Algebra

Explore power functions and their role in determining polynomial end-behavior, enhancing your understanding of advanced algebraic concepts.

• YouTube
• 32 minutes
• On-Demand
• Free Video

Professor Leonard

Solving Quadratic Inequalities - Precalculus - College Algebra

Learn to solve quadratic inequalities, understand their meaning, and discover their applications in higher mathematics with clear explanations and examples.

• YouTube
• 37 minutes
• On-Demand
• Free Video

Professor Leonard

Using Substitutions to Solve Equations - Precalculus - College Algebra

Learn to simplify complex equations into manageable quadratics using substitution techniques, enhancing your problem-solving skills in precalculus and college algebra.

• YouTube
• 48 minutes
• On-Demand
• Free Video

Professor Leonard

Features of Graphs, Domain, Range - Precalculus - College Algebra

Explore key concepts of function graphs including domain, range, and other essential features in this comprehensive precalculus lesson.

• YouTube
• 49 minutes
• On-Demand
• Free Video

Professor Leonard

Operations of Functions - Precalculus - College Algebra

Learn to add, subtract, multiply, and divide functions while determining their domains. Master essential algebraic operations for precalculus and college-level mathematics.

• YouTube
• 22 minutes
• On-Demand
• Free Video

Derek Banas

Learn Precalculus - Comprehensive Problem-Solving Guide

Comprehensive precalculus review covering algebra, trigonometry, and geometry, with problem-solving examples from James Stewart's Calculus textbook. Ideal preparation for calculus studies.

• YouTube
• 2 hours 34 minutes
• On-Demand
• Free Video

Derek Banas

Precalculus and College Algebra - Linear Equations, Slope, and Inequalities

Comprehensive introduction to precalculus concepts, covering linear equations, slopes, graphing, inequalities, and more. Prepares students for calculus with clear explanations and practical examples.

• YouTube
• 22 minutes
• On-Demand
• Free Video

Academic Lesson

Precalculus Full Course for Beginners

Comprehensive precalculus tutorial covering functions, trigonometry, and conic sections. Ideal for beginners preparing for calculus, with clear explanations and practical examples.

• YouTube
• 4 hours 49 minutes
• On-Demand
• Free Video

Professor Leonard

Composition of Functions - Precalculus - College Algebra

Learn to compose functions, perform composite operations, and evaluate inputs and outputs in this comprehensive algebra lesson.

• YouTube
• 28 minutes
• On-Demand
• Free Video