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Algebra-1

You will determine whether the sums and products of rational and irrational numbers are rational or irrational.

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After completing this tutorial, you will be able to complete the following:

- Explain why the sum or product of two rational numbers is rational.
- Explain why the sum of a rational and irrational number is irrational.
- Explain why the product of a nonzero rational and irrational number is irrational.
- Explain that the sum or product of two irrational numbers might be rational or irrational.

Approximate Time | 2 Minutes |

Pre-requisite Concepts | Students should be able to define rational and irrational numbers and know their decimal representations; and know that integers are closed under addition and multiplication. |

Course | Algebra-1 |

Type of Tutorial | Animation |

Key Vocabulary | irrational number, products, rational numbers |