Alg C&C_CW_2.01-2.02 LC_8.28

Identify the rational numbers. (Hint: There is more than one rational number here.)

• 0

Which of the following numbers is irrational?

Which number can be added to a rational number to explain that the sum of two rational numbers is rational?

• 8

Is the result rational or irrational? Explain.

• Rational; The sum of two rationals is always rational.
• Irrational; The sum of a rational and an irrational is always irrational.
• Rational; The product of two rationals is always rational.
• Irrational; The product of a nonzero rational and an irrational is always irrational.

Is the result rational or irrational? Explain.

• Rational; The sum of two rationals is always rational.
• Irrational; The sum of a rational and an irrational is always irrational.
• Rational; The product of two rationals is always rational.
• Irrational; The product of a nonzero rational and an irrational is always irrational.

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