Linear Inequalities

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Question

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Question 1 :

Sum of two rational numbers is ______ number.

1. rational
2. irrational
3. Integer
4. Both 1, 2 and 3
Answer
7956

Question 2 :

If x² = -4 then the value of x is

1. (-2, 2)
2. (-2, ∞)
3. (2, ∞)
4. No solution
Answer
7957

Question 3 :

Solve: (x + 1)² + (x² + 3x + 2)² = 0

1. x = -1, -2
2. x = -1
3. x = -2
4. None of these
Answer
7958

Question 4 :

If (x + 3)/(x – 2) > 1/2 then x lies in the interval

1. (-8, ∞)
2. (8, ∞)
3. (∞, -8)
4. (∞, 8)
Answer
7959

Question 5 :

The region of the XOY-plane represented by the inequalities x ≥ 6, y ≥ 2, 2x + y ≤ 10 is

1. unbounded
2. a polygon
3. exterior of a triangle
4. none of these
Answer
7960