Question 4 - Graph - 2 or more Equation - Chapter 5 Class 11 Linear Inequalities

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Example 12 - Solve x + y >= 5 , x - y <= 3 graphically - Graph - 2 or more Equation

Example 12 - Chapter 6 Class 11 Linear Inequalities - Part 2
Example 12 - Chapter 6 Class 11 Linear Inequalities - Part 3
Example 12 - Chapter 6 Class 11 Linear Inequalities - Part 4

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Question 4 Solve the following system of linear inequalities graphically. x + y ≥ 5 , x – y ≤ 3 First we solve x + y ≥ 5 Lets first draw graph of x + y = 5 Drawing graph Checking for (0,0) Putting x = 0, y = 0 x + y ≥ 5 0 + 0 ≥ 5 0 ≥ 5 which is false Hence origin does not lie in plane x + y ≥ 5. So, we shade the right side of line Now we solve x – y ≤ 3 Lets first draw graph of x – y = 3 Drawing graph Checking for (0,0) Putting x = 0, y = 0 x – y ≤ 3 0 – 0 ≤ 3 0 ≤ 3 which is true Hence origin lies in plane x + y ≥ 5. So, we shade left side of line Hence the shaded region is the solution of the given inequality

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo