# Ch 4: Foundations and Linear Equations in Precalculus: Help and Review

The foundations and linear equations chapter of this Precalculus Help and Review course is the simplest way to master foundations and linear equations. This chapter uses simple and fun videos that are about five minutes long, plus lesson quizzes and a chapter exam to ensure students learn the essentials of foundations and linear equations.

## 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 foundations and linear equations
• 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 foundations and linear equations
• 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.
• Test your understanding of each lesson with short quizzes.
• Verify you're ready by completing the Foundations and Linear Equations chapter exam.

## Why it works:

• Study Efficiently: Skip what you know, review what you don't.
• Retain What You Learn: Engaging animations and real-life examples make topics easy to grasp.
• Be Ready on Test Day: Use the Foundations and Linear Equations chapter exam to be prepared.
• Get Extra Support: Ask our subject-matter experts any foundations and linear equations question. They're here to help!
• Study With Flexibility: Watch videos on any web-ready device.

## Students will review:

In this chapter, you'll find the answers to questions including:

• How do I identify the different types of numbers?
• How do I identify the different parts of a graph?
• What are linear equations?
• How do I graph linear equations?
• How do I graph undefined slopes and zero slopes?
• How do I write a linear equation?
• What are systems of equations?
• How do I use systems of equations?

10 Lessons in Chapter 4: Foundations and Linear Equations in Precalculus: Help and Review
Test your knowledge with a 30-question chapter practice test
Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

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