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# CBSE Class 8 Maths Chapter 15 Introduction to Graphs Revision Notes Click to rate this post!
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## CBSE Revision Notes Class 8 Maths Chapter 15:  Introduction to Graphs

CBSE Revision Notes Class 8 Maths Maths Chapter 15  Introduction to Graphs are provided to help the students understand and revise the concepts right from the beginning. The concepts taught in Class 8 are important to be understood as these concepts are continued in classes 9 and 10. To score good marks in Class 8 mathematics examination, it is advised to solve questions provided in the Revision Notes Class 8 Maths Chapter 15. These revision notes for Class 8 Maths help the students to revise all the concepts in a better way.

Swiflearn provides Revision Notes and keynotes chapter wise for the CBSE board exam in an easy-to-understand, free downloadable PDF format so students can use it for their studies and score better in their board exams. The CBSE Class 8 Revision Notes are made for the main subjects of Science and Maths. These core subjects are very critical as they are the stepping stones and plays a crucial role in student’s future. They might be tricky for students. The CBSE Class 8 Revision Notes for each chapter will enable them to have an expert studying pattern with which they can enjoy learning the subject and perform better in the exams.

CBSE Class 8 Maths Revision Notes are designed  keeping in my mind the exam pattern and syllabus of NCERT 2020-21. Students can download the PDF for free and practice the questions to score well in the coming exams. ## CBSE Revision Notes Class 8 Maths Chapter 15:  Introduction to Graphs

Graphs:-

Graphs are a graphical depiction of data, or relation between two or more variables. Graphs are visual representations of data collected. Data can also be presented in the form of a table; however a graphical presentation is easier to understand.

Bar Graph:-

A bar graph is used to show comparison among categories. It may consist of two or more parallel vertical (or horizontal) bars (rectangles).

Line Graph:-

A line graph displays data that changes continuously over periods of time. For example, the line graph shows the temperature of a sick man taken every four hours. The data are plotted in the x-axis and y-axis which represents the  temperature and time respectively. 