# Ch 19: Graphs & Relations

Strengthen your understanding of different types of graphs and how to use them with this chapter. These lessons can be used a resource for math class preparation or to study for grade assessment or college admissions or placement exams.

## Graphs & Relations - Chapter Summary

This short but detailed chapter provides instructions on how to create and use graphs for data analysis and problem-solving purposes. You'll develop a better understanding of why graphs are used and how to apply them to real life situations. Each lesson contains examples and illustrations to enhance your review of this material and improve your understanding of these topics. Once you have gone over each of the lessons found in this chapter, you should be able to:

• Interpret straight-line and line segment graphs
• Define step functions and understand how to graph them
• Solve systems of equations
• Find the breakeven point using systems of linear equations
• Apply non-linear functions in the real world
• Describe the use of non-linear graphs and understand interpolation and extrapolation
• Identify the constant of proportionality and use graphing to determine it

Experienced math instructors deliver this material in a simple and engaging manner to make it easily accessible for learners of all levels. You can watch or read lessons at any time, on any device, and even print out transcripts to create handy reference tools. Measure how much you have retained by taking self-assessment quizzes at the end of each lesson.

8 Lessons in Chapter 19: Graphs & Relations
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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