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Chapter 1: Problem 134

When graphing the solutions of an inequality, what does a parenthesis signify? What does a square bracket signify?

Short Answer

Expert verified
A parenthesis '(' signifies that the endpoint is not included in the solution, while a square bracket ']' indicates that the endpoint is included in the solution to the inequality.

Step by step solution

01

Understanding Parentheses in Inequalities

A parenthesis is used to represent that the endpoint is not included in the solution to the inequality. For instance, when graphing an inequality such as \(x > 3\), a parenthesis '(' would be used on the number line above the number '3' to indicate that '3' itself is not a part of the solution.
02

Understanding Square Brackets in Inequalities

A square bracket is used to represent that the endpoint is included in the solution to the inequality. That is to say, the value is equal to or less/greater than the endpoint. For example, in the inequality \(x \geq 3\), a square bracket ']' would be used on the number line above the number '3' to indicate that '3' itself is a part of the solution.

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Most popular questions from this chapter

Solve absolute value inequality. \(-3|x+7| \geq-27\)

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