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Which statement is NOT always true? A. The sum of two rational numbers is rational. B. The product of two irrational numbers is rational. C. The sum of a rational number and an irrational number is irrational.
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Which statement is NOT always true?

A. The sum of two rational numbers is rational.
B. The product of two irrational numbers is rational.
C. The sum of a rational number and an irrational number is irrational.
D. The product of a nonzero rational number and an irrational number is irrational.

User Jeremi
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1 Answer

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B. The product of two irrational numbers if rational

Example: The square root of 2 times the square root of 3, is the square root of 6, which is still irrational.
User BlackjacketMack
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