Math Problem Statement

Graph the solution to the inequality |y - 3| ≤ 7 on the number line.

Solution

We are tasked with solving the inequality y37|y - 3| \leq 7 and then graphing the solution on the number line.

Step-by-Step Solution:

  1. Interpret the absolute value inequality: y37|y - 3| \leq 7 This inequality means that the distance between yy and 3 is at most 7. We can rewrite this as a compound inequality: 7y37-7 \leq y - 3 \leq 7

  2. Solve the inequality: To isolate yy, we add 3 to all parts of the inequality: 7+3y7+3-7 + 3 \leq y \leq 7 + 3 Simplifying: 4y10-4 \leq y \leq 10

  3. Interpret the result: This tells us that yy can take any value between 4-4 and 1010, inclusive.

Graphing the solution on the number line:

  • On the number line provided, we would place closed dots (because the inequality includes equality) at 4-4 and 1010, and shade the region in between.

This represents all the possible values of yy that satisfy the inequality.

Let me know if you'd like to see the graph or if you have any questions!


Here are some related questions to consider:

  1. How do you solve an absolute value inequality if the sign is \geq instead of \leq?
  2. How would the solution change if the inequality were y3<7|y - 3| < 7 instead of \leq?
  3. Can you graph inequalities on a number line if the variables are not isolated?
  4. What is the difference between "strict" inequalities and "non-strict" inequalities when graphing?
  5. How do you graph solutions that involve absolute value inequalities where the result is an "or" condition (e.g., x5|x| \geq 5)?

Tip: When graphing absolute value inequalities, always remember that the inequality represents a distance on the number line, which can be translated into a range of possible values.

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Math Problem Analysis

Mathematical Concepts

Algebra
Absolute Value Inequalities

Formulas

|y - a| ≤ b
-b ≤ y - a ≤ b

Theorems

Absolute Value Property

Suitable Grade Level

Grades 8-10