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# Unit 13: Rational functions

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## About this unit

This unit on rational functions covers a lot of ground! We'll learn how to simplify, multiply, and divide rational expressions, as well as add and subtract them—whether they're factored or not. We'll also dive into understanding the graphs of rational functions and learn how to use them to model real-world situations.

### Learn

### Practice

- Reduce rational expressions to lowest terms: Error analysisGet 3 of 4 questions to level up!
- Reduce rational expressions to lowest termsGet 3 of 4 questions to level up!
- Simplify rational expressions (advanced)Get 3 of 4 questions to level up!

Level up on the above skills and collect up to 240 Mastery points

### Practice

- End behavior of rational functionsGet 3 of 4 questions to level up!

### Learn

### Practice

- Rational functions: zeros, asymptotes, and undefined pointsGet 3 of 4 questions to level up!
- Analyze vertical asymptotes of rational functionsGet 3 of 4 questions to level up!

### Learn

### Practice

- Graphs of rational functionsGet 3 of 4 questions to level up!

### Learn

Level up on the above skills and collect up to 320 Mastery points

### Learn

### Practice

- Multiply & divide rational expressions: Error analysisGet 3 of 4 questions to level up!
- Multiply & divide rational expressionsGet 3 of 4 questions to level up!
- Multiply & divide rational expressions (advanced)Get 3 of 4 questions to level up!

### Learn

### Practice

- Add & subtract rational expressions: like denominatorsGet 3 of 4 questions to level up!
- Add & subtract rational expressions (basic)Get 3 of 4 questions to level up!

### Practice

- Add & subtract rational expressionsGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 560 Mastery points

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Level up on all the skills in this unit and collect up to 1,400 Mastery points!