Khan Academy Static

Determine whether various combinations of rational and irrational numbers are rational or irrational themselves.

1929_Recognizing_rational_irrational_expressions.html

1927_Proof_product_of_rational_irrational_is_irrational.html

1926_Proof_sum_product_of_two_rationals_is_rational.html

1930_Recognizing_rational_irrational_expressions_unknowns_.html

1928_Proof_sum_of_rational_irrational_is_irrational.html

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