# High School Precalculus: Help and Review

### Course Summary

If you need help with high school precalculus, the engaging video lessons and quizzes in this course can help. Review all the math formulas and concepts through these chapters, which are accessible to you 24 hours a day on any mobile device, to get a better grade in your precalc class.
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#### 32 chapters in High School Precalculus: Help and Review

Course Practice Test

Check your knowledge of this course with a 50-question practice test.
• Comprehensive test covering all topics
• Detailed video explanations for wrong answers
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Week {{::cp.getGoalWeekForTopic(26, 32)}}
Course Progress Best Score
Lesson 1 - What is a Mathematical Sequence?
Lesson 2 - Introduction to Sequences: Finite and Infinite
Lesson 3 - How to Use Factorial Notation: Process and Examples
Lesson 4 - Summation Notation and Mathematical Series
Lesson 5 - How to Use Series and Summation Notation: Process and Examples
Lesson 6 - Understanding Arithmetic Series in Algebra
Lesson 7 - How to Calculate an Arithmetic Series
Lesson 8 - Arithmetic Sequences: Definition & Finding the Common Difference
Lesson 9 - How and Why to Use the General Term of an Arithmetic Sequence
Lesson 10 - The Sum of the First n Terms of an Arithmetic Sequence
Lesson 11 - How to Find and Classify an Arithmetic Sequence
Lesson 12 - Working with Geometric Sequences
Lesson 13 - Finding and Classifying Geometric Sequences
Lesson 14 - How and Why to Use the General Term of a Geometric Sequence
Lesson 15 - The Sum of the First n Terms of a Geometric Sequence
Lesson 16 - Understand the Formula for Infinite Geometric Series
Lesson 17 - How to Calculate a Geometric Series
Lesson 18 - Using Recursive Rules for Arithmetic, Algebraic & Geometric Sequences
Lesson 19 - Arithmetic and Geometric Series: Practice Problems
Lesson 20 - Using Sigma Notation for the Sum of a Series
Lesson 21 - Mathematical Induction: Uses & Proofs
Lesson 22 - How to Find the Value of an Annuity
Lesson 23 - How to Use the Binomial Theorem to Expand a Binomial
Lesson 24 - Special Sequences and How They Are Generated
Lesson 25 - Finite Set: Definition & Overview
Lesson 26 - Geometric Sequence: Formula & Examples
Lesson 27 - Inflection Point: Definition & Examples
Lesson 28 - Combination: Definition, Formula & Examples
Lesson 29 - Permutation & Combination: Problems & Practice
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Practice Tests in this course
Check your knowledge of this course with a 50-question practice test. Once you take the test, you will receive a detailed exam report complete with your personal statistics and even specific lessons to focus on! Take the practice test now
Your detailed study guide will include:
• Answers and detailed explanations to each question
• Video lessons to explain complicated concepts
Course Practice Test
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