Ch-6 Simultaneous Linear Equations Ex-6(E) Q. No. 2-13 From Selina Concise For ICSE Class 9 Math

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Chapter 6: Simultaneous Linear Equations
Introduction to Simultaneous Linear Equations:

Definition and characteristics of simultaneous linear equations.
Representing equations graphically on the Cartesian plane.
Methods of Solving Simultaneous Equations:

Substitution method.
Elimination (or addition) method.
Cross-multiplication method (if applicable).
Graphical Representation:

Plotting and interpreting graphs of linear equations.
Identifying the solution (intersection point) graphically.
Types of Solutions:

Unique solution.
No solution (inconsistent system).
Infinite solutions.
Word Problems Involving Simultaneous Equations:

Formulating and solving problems based on real-life situations.
Translating word problems into a system of equations.
Applications of Simultaneous Equations:

Real-world applications in various fields.
Solving problems related to simultaneous equations.
Matrix Method (if applicable):

Introduction to matrices and their use in solving simultaneous equations.
Three Variables:

Extending the concept to systems of three linear equations.
Methods of solution.
Summary and Revision:

Recapitulation of key concepts covered in the chapter.

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