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High School Precalculus: Help and Review

  • Course type: Self-paced
  • Available Lessons: 297
  • Average Lesson Length: 8 min
  • New lessons are still being added
  • Watch a preview:

    What is a Linear Equation?
    chapter 1 / lesson 1
    What is a Linear Equation?

  • High School Precalculus: Help and Review Practice Test

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
Week {{::cp.getGoalWeekForTopic(18, 32)}}
Week {{::cp.getGoalWeekForTopic(25, 32)}}
Course Progress Best Score
Lesson 1 - Performing Operations on Vectors in the Plane  Take Quiz
Lesson 2 - The Dot Product of Vectors: Definition & Application  Take Quiz
Lesson 3 - What is a Matrix?  Take Quiz
Lesson 4 - How to Write an Augmented Matrix for a Linear System  Take Quiz
Lesson 5 - How to Perform Matrix Row Operations  Take Quiz
Lesson 6 - Matrix Notation, Equal Matrices & Math Operations with Matrices  Take Quiz
Lesson 7 - How to Solve Inverse Matrices  Take Quiz
Lesson 8 - How to Solve Linear Systems Using Gaussian Elimination  Take Quiz
Lesson 9 - How to Solve Linear Systems Using Gauss-Jordan Elimination  Take Quiz
Lesson 10 - Inconsistent and Dependent Systems: Using Gaussian Elimination  Take Quiz
Lesson 11 - Multiplicative Inverses of Matrices and Matrix Equations  Take Quiz
Lesson 12 - How to Take a Determinant of a Matrix  Take Quiz
Lesson 13 - Solving Systems of Linear Equations in Two Variables Using Determinants  Take Quiz
Lesson 14 - Solving Systems of Linear Equations in Three Variables Using Determinants  Take Quiz
Lesson 15 - Using Cramer's Rule with Inconsistent and Dependent Systems  Take Quiz
Lesson 16 - How to Evaluate Higher-Order Determinants in Algebra  Take Quiz
Lesson 17 - Reduced Row-Echelon Form: Definition & Examples  Take Quiz
Lesson 18 - Divergence Theorem: Definition, Applications & Examples  Take Quiz
Lesson 19 - Linear Independence: Definition & Examples  Take Quiz
Week {{::cp.getGoalWeekForTopic(26, 32)}}
Course Progress Best Score
Lesson 1 - What is a Mathematical Sequence?  Take Quiz
Lesson 2 - Introduction to Sequences: Finite and Infinite  Take Quiz
Lesson 3 - How to Use Factorial Notation: Process and Examples  Take Quiz
Lesson 4 - Summation Notation and Mathematical Series  Take Quiz
Lesson 5 - How to Use Series and Summation Notation: Process and Examples  Take Quiz
Lesson 6 - Understanding Arithmetic Series in Algebra  Take Quiz
Lesson 7 - How to Calculate an Arithmetic Series  Take Quiz
Lesson 8 - Arithmetic Sequences: Definition & Finding the Common Difference  Take Quiz
Lesson 9 - How and Why to Use the General Term of an Arithmetic Sequence  Take Quiz
Lesson 10 - The Sum of the First n Terms of an Arithmetic Sequence  Take Quiz
Lesson 11 - How to Find and Classify an Arithmetic Sequence  Take Quiz
Lesson 12 - Working with Geometric Sequences  Take Quiz
Lesson 13 - Finding and Classifying Geometric Sequences  Take Quiz
Lesson 14 - How and Why to Use the General Term of a Geometric Sequence  Take Quiz
Lesson 15 - The Sum of the First n Terms of a Geometric Sequence  Take Quiz
Lesson 16 - Understand the Formula for Infinite Geometric Series  Take Quiz
Lesson 17 - How to Calculate a Geometric Series  Take Quiz
Lesson 18 - Using Recursive Rules for Arithmetic, Algebraic & Geometric Sequences  Take Quiz
Lesson 19 - Arithmetic and Geometric Series: Practice Problems  Take Quiz
Lesson 20 - Using Sigma Notation for the Sum of a Series  Take Quiz
Lesson 21 - Mathematical Induction: Uses & Proofs  Take Quiz
Lesson 22 - How to Find the Value of an Annuity  Take Quiz
Lesson 23 - How to Use the Binomial Theorem to Expand a Binomial  Take Quiz
Lesson 24 - Special Sequences and How They Are Generated  Take Quiz
Lesson 25 - Finite Set: Definition & Overview  Take Quiz
Lesson 26 - Geometric Sequence: Formula & Examples  Take Quiz
Lesson 27 - Inflection Point: Definition & Examples  Take Quiz
Lesson 28 - Combination: Definition, Formula & Examples  Take Quiz
Lesson 29 - Permutation & Combination: Problems & Practice  Take Quiz

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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
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  • Video lessons to explain complicated concepts
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