1. Lesson 4-1 Absolute Value Equations

2. Problem of the day Jack is walking on a trail and comes to the mile marker 5. If he continues walking for another mile, what is the next mile marker he will come to?

3. Marching Band Number Line pg 49 Ms. Patel is preparing the school marching band for the homecoming show. She has the first row of band members stand in positions along a number line on the floor of the band room. The students’ positions math the points on a number line as shown.

4. Write each distance Use the number line to write each student’s distance from 0 next to their name.

5. Vocabulary Absolute value: the distance from 0 to a number on a number line Absolute value notation: uses vertical lines around numbers or expressions Example: |-3| Example: | x | Example: | x – 6| Absolute value equations: an equation involving the absolute value of a variable expression Example | x – 6| = 4

6. In the student line, which two people are 4 units away from 1?

7. Which two numbers are at a distance 4 from 1?

8. Example Problems Draw a number line to show the solutions. Then write an absolute value equation to model the verbal description. Which two points are 2 units away from 0? Which two points are 5 units away from –2? Which two points are 3 units away from 4?

9. Homework Pg 51 #11 a – d