Precalculus: Help and Review
 Course type: Selfpaced
 Available Lessons: 88
 Average Lesson Length: 8 min

Eligible for Certificate:
Certificate completed
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Watch a preview:
chapter 1 / lesson 1Functions: Identification, Notation & Practice Problems
Course Summary
Let us help you master precalculus with our fun and interesting precalculus help and review course. Short video lessons highlight the topics you're learning about in class, while practice quizzes and chapter tests let you put your knowledge into practice and see which areas might need additional study.to start this course today
Try it riskfree for 30 days
11 chapters in Precalculus: Help and Review
Course Practice Test
Check your knowledge of this course with a 50question practice test. Comprehensive test covering all topics
 Detailed video explanations for wrong answers
Who's it for?
Anyone who needs help learning or mastering precalculus material will benefit from taking this course. There is no faster or easier way to learn precalculus. Among those who would benefit are:
 Students who have fallen behind in understanding exponential and logarithmic functions, linear equations, quadratics, piecewise functions, trigonometry or any other precalculus topic
 Students who struggle with learning disabilities or learning differences, including autism and ADHD
 Students who prefer multiple ways of learning math (visual or auditory)
 Students who have missed class time and need to catch up
 Students who need an efficient way to learn about precalculus
 Students who struggle to understand their teachers
 Students who attend schools without extra math learning resources
How it works:
 Find videos in our course that cover what you need to learn or review.
 Press play and watch the video lesson.
 Refer to the video transcripts to reinforce your learning.
 Confirm your understanding through lesson quizzes and chapter exams.
Why it works:
 Study Efficiently: Skip what you know, review what you don't.
 Retain What You Learn: Engaging animations and reallife examples make topics easy to grasp.
 Be Ready on Test Day: Use the Precalculus final exam to be prepared.
 Get Extra Support: Ask our subjectmatter experts any precalculus question. They're here to help!
 Study With Flexibility: Watch videos on any webready device.
Course Topics
In this course, you'll learn the answers to questions including:
 How do I solve and graph an absolute value inequality?
 How do I compute and graph complex numbers?
 What are systems of equations, and how are they used?
 What is a quadratic equation, and how do I solve one?
 How do I use the Pythagorean Theorem to compute distance?
 What are the basic functions used in precalculus?
 How do I graph a function?
 How do I solve trigonometric equations?
 What is a trigonometric identity, what are the basic types?
 How do I use builder notation to write an algebraic set?
Earning College Credit
Did you know… We have over 200 college courses that prepare you to earn credit by exam that is accepted by over 1,500 colleges and universities. You can test out of the first two years of college and save thousands off your degree. Anyone can earn creditbyexam regardless of age or education level.
To learn more, visit our Earning Credit Page
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 Answers and detailed explanations to each question
 Video lessons to explain complicated concepts