Inequality

Definition of Inequality

• An inequality is a mathematical sentence that uses symbols such as to compare two quantities.

 

Examples of Inequality

• 5 < d < 7, , , -12 > -13 are few examples  of inequalities.

Solved Example on Inequality

Pick an appropriate graph for the inequality - 3 < x and x < 2.

Choices:

A. Figure 1

B. Figure 2

C. Figure 3

D. None of the above

Correct Answer: C

Step 1: - 3 < x < 2        [Combine into one inequality.]

Step 2: The compound inequality may be read as 'x is greater than - 3 and less than 2'.

Step 3: The graph of this compound inequality is

Step 4: So, Figure 3 represents the given inequality.

Related Terms for Inequality

• Symbol

Additional Links for Inequality

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