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How many of the following points satisfy the inequality 2x-3y>-5?

(1,1) (-1,1) (1,-1),(-1,-1), (-2,1), (2,-1), (-1,2),(-2,-1)

  • Option 1)

    4

  • Option 2)

    7

  • Option 3)

    6

  • Option 4)

    5

 

Answers (1)

As we learnt in

Corner Point Method -

This method of solving a LPP graphically is based on the principle of extreme points theorem.

-

 

 2x-3y> -5

\therefore 2x-3y+5> 0

Only  (-2,-1), (2,-1), (1,-1) and (-1,-1) satisfies the inequality.


Option 1)

4

Correct

Option 2)

7

Incorrect

Option 3)

6

Incorrect

Option 4)

5

Incorrect

Posted by

Vakul

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