RS Aggarwal Chapter 3 Class 10 Maths Exercise 3.5 Solutions: The solutions of RS Agarwal for Lecture 10, Chapter 3, are ready to help you understand the graph of linear equations. In this chapter of RS Aggarwal Class 10 Maths Solutions, you will solve linear equations simultaneously in two variables and then create a graph for the equations. You will learn about algebraic methods of solving cross-multiplication, elimination, and substitution of equations. You will identify coherent systems of equations and show how the equation system has unique solutions.
In Exercise 3E you will ask how you can find the number of solutions for linear equations. In some questions, they already give you what solutions the system of linear equations has, and you have to find the solutions. You are also asked to draw the trapezoids on a graph and find the coordinates of the vertices.
Download RS Aggarwal Chapter 3 Class 10 Maths Exercise 3.5 Solutions
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Access The RS Aggarwal Chapter 3 Class 10 Maths Exercise 3.5 Solutions
Solution 1
Solution 2
Given equations are and 
.
On a graph paper, draw X-axis and Y-axis respectively.
Graph of 
:
Thus, we have the following table:
On the graph paper, plot the points A(3, 1.5), B(0, 6), C(-2, 9) and join them.
Graph of :
Thus, we have the following table:
On the graph paper, plot the points P(0, 1), Q(-2, -1), R(3, 4) and join them.
The two graphs intersect at point M (2,3).
Therefore, 
is the solution of the given equations.
Solution 3
Solution 4
Solution 5
Since the two graphs intersect at (2, 3),
x = 2 and y = 3.
Solution 6
Solution 7
Since the two graphs intersect at (2, -3),
x = 2 and y = -3.
Solution 8
Since the two graphs intersect at (-2, 3),
x = -2 and y = 3.
Important Definition for RS Aggarwal Chapter 3 Class 10 Maths Ex 3e Solutions
Finding the Area of the Triangle
A triangle can be found when values of linear equations are plotted on the graph. With the help of that graph, we can find the area of a triangle by its formula.
The formula for the area of the triangle is ½ * base * height
Know more at the official website.
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