INTRODUCTORY EXERCISES - Inequalities


(1) Solve the following linear inequalities.

 (a) 7x - 8  4x + 7

 (b) 3 - x  5(3 - x)

 (c)   x
      ---  4
      -2

 (d) -3x - 5  2

 (e) 75  0.4t + 41.45  85

( Click On HINT To Get Some Help , Click On SOLUTION To See The Answer )

(2) Solve each inequality.

 
 (a) (x + 3)(x - 4)  0

 (b) 9/4  x2

 (c) 3x2 - 2x - 6  2x2 - 6x - 1

 (d) x - 2
     ------  0
     2x + 5

 (e)   2x
     ------  0
     x2 + 5

( HINT , SOLUTION )

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