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Home > CCA > Chapter 10 > Lesson 10.2.5 > Problem 10-82

10-82.

Identify each sum or product as a rational number or an irrational number. Homework Help ✎

Refer to the Math Notes box in this lesson (shown below) to help you with defining rational and irrational numbers.

  1. What is the square root of ? Can you simplify the answer to help you determine if it is irrational?

    Rational

  1. Is a rational number?

    Irrational

  1. Use the same method as part (a).

    Irrational

  1. Simplify before answering.

    Rational

math notes