powerpoint presentation

2. Let’s Learn
How do we find the absolute value of a number?
Study the following examples:
Number Distance of the
Number from Zero
Absolute Value of
the Number
3 3 3
6 6 6
0 0 0
4 4 4

3. Illustration

6. If n is any number, we write the absolute value
of |n|. We read this as “the absolute value as n”.

7. Let’s Remember
• The absolute value of a number is the distance of the
number from zero on the number line.
• Thus, the absolute value of a number n is always
greater than or equal to zero. In symbols, |n| ≥ 0.

8. Let’s Apply
Find the following:
1. |15| = 15 6. |8 - 3| = |5|
= 5
2. |-18| = 18 7. |5 + 8| = |11| =
11
3. |-26| = 26 8. |6 + 7| = |13| =
13
4. |17| = 17 9. |(6)(2)| = |12| =
12
5. |1| = 1 10. |
8
4
| = |2| = 2