Math Problem Statement

Graph the solution to the inequality |y| ≤ 8 on the number line.

Solution

The inequality given is y8|y| \leq 8, which means we need to find all values of yy such that the absolute value of yy is less than or equal to 8.

To solve this:

  1. We rewrite the absolute value inequality y8|y| \leq 8 as a compound inequality: 8y8-8 \leq y \leq 8 This means yy can be any number between -8 and 8, inclusive.

  2. To graph this on a number line:

    • Place solid dots at 8-8 and 88 because the inequality includes the endpoints (indicated by \leq).
    • Shade the region between 8-8 and 88, including all the numbers in this range.

This is how the graph would look:

  • The number line extends from 10-10 to 1010.
  • Solid dots at 8-8 and 88.
  • A shaded line between 8-8 and 88.

Would you like more details or have any questions?

Here are 5 related questions:

  1. How do you solve absolute value inequalities with \geq instead of \leq?
  2. How can you solve an absolute value inequality like y+35|y + 3| \leq 5?
  3. What happens if the inequality is y>8|y| > 8 instead of 8\leq 8?
  4. Can absolute value inequalities have no solution?
  5. How does the solution change if the absolute value inequality includes a negative number?

Tip: For absolute value inequalities, if you have xa|x| \leq a, always remember this means axa-a \leq x \leq a.

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Math Problem Analysis

Mathematical Concepts

Algebra
Absolute Value Inequalities

Formulas

|y| ≤ 8 can be rewritten as -8 ≤ y ≤ 8

Theorems

Absolute Value Inequality Theorem

Suitable Grade Level

Grades 8-10