Math Problem Statement

Find the inverse of the relation: {(-9, -8), (-7, 7), (8, 9), (5, -5)}

Solution

To find the inverse of a relation, the coordinates in each ordered pair are swapped. Given the relation:

{(9,8),(7,7),(8,9),(5,5)}\{(-9, -8), (-7, 7), (8, 9), (5, -5)\}

The inverse is found by interchanging the x and y values of each pair:

{(8,9),(7,7),(9,8),(5,5)}\{(-8, -9), (7, -7), (9, 8), (-5, 5)\}

Thus, the inverse is:

{(8,9),(7,7),(9,8),(5,5)}\{(-8, -9), (7, -7), (9, 8), (-5, 5)\}

Would you like me to explain this process in more detail? Here are five related questions to explore:

  1. How do you graph a relation and its inverse?
  2. What is the geometric interpretation of an inverse relation?
  3. How does the process of finding the inverse differ for a function versus a general relation?
  4. Can every relation have an inverse? Why or why not?
  5. How do you verify that two relations are inverses of each other?

Tip: Swapping the coordinates only gives the inverse relation. To determine if the inverse is also a function, apply the vertical line test.

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Math Problem Analysis

Mathematical Concepts

Relations
Inverse of a Relation
Ordered Pairs

Formulas

Swapping the x and y coordinates of ordered pairs

Theorems

None (general relation concept)

Suitable Grade Level

Grades 7-10