If x2 > 4, then ________.
x > 2
| x | > 2
-2 < x < 2
None of these
If a > b then
2a > 2b
|2a | > | 2b |
-5a > -5b
If a > b then _______.
a + 5 > b + 5
a - b < b - 5
a + b < b + b
Depends on a and b
If a < b then,
a/(-2 ) < b/(-2)
a/2 > b/2
1/a < 1/b
a/-2 > b/-2
If 1/a < 1/b; then
| a | > | b |
a < b
a > b
Log 2x > 4, then x belongs to _______.
x > 4
x > 16
x > 8
(x2 + 1 ) ( x -2 ) 2 ( x -3 ) < 0, then x belongs to _______.
( -∞, 2) U (2, 3 )
( -∞, 3)
(2, 3 )
Consider the following system of inequalities 5x + 3y ≥ 0 and y -2x < 2. The solution of the above inequalities does not contain only part of the _______.
First quadrant
Second quadrant
Third quadrant
Fourth quadrant
|x + 2/x | < 3, then x belongs to ________.
(-2,-1) U ( 1,2 )
(-∞, -2 ) U (-1, -1) U ( 2, ∞ )
(-2, 2 )
(-3, 3 )
( x - 1 ) > 0
( x -2 ) > 0
(x - 2 ) < 0
( x - 1 ) > 0 if ( x -2 ) > 0