Multiplying and Dividing Rational Expressions 7.2 Multiplying and Dividing Rational Expressions 1. Multiply rational expressions. 2. Divide rational expressions. 3. Convert units of measurement using dimensional analysis.

Multiply: Reduce common FACTORS. NEVER reduce terms!

Multiply: Factors Terms Terms Factors Factors or terms? x2

Multiply: Factors or terms? 2 1 3 1 x 1

Multiply: Factors or terms? 3 1 5 1 b

Copyright © 2011 Pearson Education, Inc. Multiply: Factors or terms? Copyright © 2011 Pearson Education, Inc.

Copyright © 2011 Pearson Education, Inc. Multiply. a) b) c) d) Copyright © 2011 Pearson Education, Inc. 7.2

Copyright © 2011 Pearson Education, Inc. Multiply. a) b) c) d) Copyright © 2011 Pearson Education, Inc. 7.2

Change ÷ to ∙ and flip the second fraction. Divide: Change ÷ to ∙ and flip the second fraction.

Divide:

Divide:

Divide:

Copyright © 2011 Pearson Education, Inc. Divide. a) b) c) d) Copyright © 2011 Pearson Education, Inc. 7.2

Copyright © 2011 Pearson Education, Inc. Divide. a) b) c) d) Copyright © 2011 Pearson Education, Inc. 7.2