Always, Sometimes, Never

In the expressions,

  • a and b are rational numbers.
  • x and y are irrational numbers.

Drag each item to its appropriate column in the table and click Submit.

  1. a+b
  2. a+x
  3. x+y
  4. ab
  5. xy
  6. ay
  7. b2
  8. x2
  1. Always Rational
  2. Sometimes Rational
  3. Never Rational
Submit Review Answers

Answer:

Correct! One or more of your answers are incorrect. Remember, a rational number is any number that can be written as one integer divided by another integer. Close the box and try again. Incorrect. The correct answers are shown below. X

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