Which of the following is not a vertex of the positive region bounded by the inequalities
2x+3y ≤ 6, 5x+3y ≤ 15 and x,y ≥ 0?
Answers
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Correct option is D) All of these
Step-by-step explanation:
Step 1 of 4
To see whether the given option is a vertex of the positive region bounded by the inequalities, put the options in the inequalities.
Step 2 of 4
Putting (0,2) in inequalities
- 2x+3y≤6 = 2(0) + 3(2)≤6 ⇒ 6≤6
- 5x+3y≤15 = 5(0) + 3(2) ≤15 ⇒6≤15
- x,y≥0 = 2≥ 0
Step 3 of 4
Putting (0,0) in ineuqlities
- 2x+3y≤6 = 2(0) + 3(0)≤6 ⇒ 0≤6
- 5x+3y≤15 = 5(0) + 3(0) ≤15 ⇒ 0≤15
- x,y≥0 = 0 ≥ 0
Step 4 of 4
Putting (3,0) in ineuqlities
- 2x+3y≤6 = 2(3) + 3(0)≤6 ⇒ 6≤6
- 5x+3y≤15 = 5(3) + 3(0) ≤15 ⇒ 15≤15
- x,y≥0 = 3 ≥ 0
Final Answer
Therefore, D) all of these is correct
Complete question is
Which of the following is not a vertex of the positive region bounded by the inequalities 2x+3y≤6,5x+3y≤15 and x,y≥0
a) (0, 2)
b) (0, 0)
c) (3, 0)
d) All of these
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