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The number ss is irrrational. Which statement about s8s - 8 is true? Choices:\newline(A)s8s - 8 is rational.\newline(B)s+8s + 8 is irrational.\newline(C)s+8s + 8 can be rational or irrational, depending on the value of ss.

Full solution

Q. The number ss is irrrational. Which statement about s8s - 8 is true? Choices:\newline(A)s8s - 8 is rational.\newline(B)s+8s + 8 is irrational.\newline(C)s+8s + 8 can be rational or irrational, depending on the value of ss.
  1. Identify Number Type: Identify whether the number 88 is a rational or irrational number.88 is a whole number, and all whole numbers are rational numbers.
  2. Determine s8s - 8: We know:\newliness is an irrational number.\newline88 is a rational number.\newlineWhich statement about s8s - 8 is true?\newlineSubtracting a rational number from an irrational number results in an irrational number.
  3. Evaluate s8s - 8: Therefore, s8s - 8 is irrational, which means that choice (A)(A) is incorrect.
  4. Evaluate s+8s + 8: Since adding or subtracting a rational number from an irrational number always results in an irrational number, s+8s + 8 is also irrational, which means that choice (B) is correct.
  5. Evaluate s+8s + 8: Choice (C) suggests that s+8s + 8 can be rational or irrational, depending on the value of ss. However, since ss is given as irrational, adding a rational number (88) to it will always result in an irrational number. Therefore, choice (C) is incorrect.

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