Definition Of Inequality

An inequality is a mathematical sentence that uses symbols such as <, ≤,="">, or ≥ to compare two quantities.

Video Examples: How to Solve Inequalities
 

Example of Inequality

5 < d="">< 7,="" x="" ≥="" -="" 1,="">² ≤ b, - 12 > - 13 are few examples of inequalities

Solved Example on Inequality

Ques: 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

Solution:

Step 1: - 3 < x="">< 2="" [combine="" into="" one="">
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 Worksheet

• Writing-Inequalities-Representing-the-Relationships-Gr-6
• Writing-Inequalities-to-Represent-the-Situations-Gr-7