Learning Outcomes
By the end of this section, you will be able to:
- Multiply integers
- Divide integers
- Simplify expressions with integers
- Evaluate variable expressions with integers
- Translate word phrases to algebraic expressions
Before you get started in this module, try a few practice problems and review prior concepts.
Examples
1)
[ohm_question]144437[/ohm_question]
If you missed this problem, review the following video.
https://youtu.be/Hub7ku7UHT4
2)
[ohm_question]145014[/ohm_question]
If you missed this problem, review the following video.
https://youtu.be/ViWY8hnbVgw
3)
[ohm_question]145023[/ohm_question]
If you missed this problem, review the following examples.
When
n=−5, evaluate
- n+1
- −n+1.
[hidden-answer a="70694"]
Solution:
1. Evaluate n+1 when n=−5 |
|
|
n+1 |
Substitute −5 for n. |
−5+1 |
Simplify. |
−4 |
2. Evaluate −n+1 when n=−5 |
|
|
−n+1 |
Substitute −5 for n. |
−(−5)+1 |
Simplify. |
5+1 |
Add. |
6 |
[hidden-answer]