Pre-Calculus 11 Notes

By: Gen L.

Lesson 4: Rational Equations

Steps

1. NPVs
2. Common Denominator
3. Cut the Denominator
4. Solve

Example 1

1. • NPVs: None, LCD: 12
2. • Simplify & Cut
3. • Solve

Example 2

1. • NPVs: & LCD:
2. • Simplify & Cut
3. • Solve
4. • Factor
5. • Set to 0:

Example 3

1. • Factor
2. • NPVs: & LCD:
3. • Simplify & Cut
4. • Solve

Example 4

1. • Factor
2. • NPVs: & LCD:
3. • Simplify & Cut

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