Fractional (or Rational) Inequalities

Examples, solutions, videos, activities and worksheets to help A Level Maths students solve fractional inequalities using three methods:

1. Algebraic Method.
   
2. Graphical Method.
   
3. Analytical Method.

What are fractional inequalities?
Fractional inequalities are inequalities that contain fractions and there are functions of x in the denominator.

How to solve fractional inequalities?
When solving fractional inequalities we should only multiply both sides by positive values otherwise we would change the sign of the inequality.

The following videos show how to solve fractional inequalities using the algebraic method, graphical method and analytical method.

Solving Fractional Inequalities (1)
Using the algebraic method
Example:
Solve x - 2 < 3/x

Solving Fractional Inequalities (2)

• Show Step-by-step Solutions

Solving Fractional Inequalities (3)
Using the algebraic method
Example:
Solve (3 - x)/(x - 8) ≥ 1/x

Solving Fractional Inequalities (4)
Using the graphical method
Example:
Solve (3 - x)/(x - 8) ≥ 1/x

Solving Fractional Inequalities (5)
Using the analytical method
Example:
Solve (3 - x)/(x - 8) ≥ 1/x

• Show Step-by-step Solutions

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