Math Problem Statement

Graph the set {x | 1 < x ≤ 6} on the number line. Then, write the set using interval notation.

Solution

The given inequality is 1<x61 < x \leq 6. To graph this set and write it in interval notation:

  1. Graphing on the Number Line:

    • At x=1x = 1, use an open circle since xx is strictly greater than 1 (it is not included).
    • At x=6x = 6, use a closed circle since xx is less than or equal to 6 (it is included).
    • Shade the region between 1 and 6 to indicate all the values xx can take.
  2. Interval Notation: The interval notation for the inequality 1<x61 < x \leq 6 is: (1,6](1, 6]

    • The round bracket (( indicates that 1 is not included.
    • The square bracket ]] indicates that 6 is included.

Would you like more details or have any questions?

Here are five related questions you might find useful:

  1. What is the difference between strict and non-strict inequalities?
  2. How do we graph inequalities with negative numbers?
  3. What are the rules for open and closed circles on a number line?
  4. How can inequalities be represented in set builder notation?
  5. How do we combine multiple inequalities in interval notation?

Tip: Always remember that round brackets in interval notation exclude endpoints, while square brackets include them!

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Math Problem Analysis

Mathematical Concepts

Inequalities
Number Line
Interval Notation

Formulas

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Theorems

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Suitable Grade Level

Grade 6-8