 # 10th Class Chapter No 4 - Linear Inequations in Maths for ICSE

The mathematical statement in which the quantity on one side is not equal to the quantity on the other side is called an inequation.

The signs '>'; '<'; ''; '' are called signs of inequality

#### Solving a Linear Inequality Algebraically

Rule 1 : When a positive term is moved from one side of an inequality to another, the sign of the term becomes negative

Rule 2 : When a negative term is moved from one side of an inequality to another, the sign of the term becomes positive

Rule 3 : When each term of an inequality is multiplied or divided by the same positive number (p), the sign of the inequality remains unchanged

Rule 4 : When each term of an inequality is multiplied or divided by the same negative number (p), the sign of the inequality reverses

Rule 5 : If the sign of each term on both the sides of an inequality is changed, the sign of inequality gets reversed

Rule 6 : If both the sides of an inequality are either positive or negative, then on taking their reciprocals, the sign of inequality reverses
Posted in 10th on February 13 2019 at 03:29 PM

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