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Is the number 2+9-2 + -9 rational or irrational?\newlineChoices:\newline(A) rational\newline(B) irrational

Full solution

Q. Is the number 2+9-2 + -9 rational or irrational?\newlineChoices:\newline(A) rational\newline(B) irrational
  1. Evaluate Expression: Evaluate 2+9-2 + -9.\newlineAdd 2-2 and 9-9 together.\newline2+9=11-2 + -9 = -11
  2. Add Numbers: We found: \newline2+9=11-2 + -9 = -11\newlineIdentify whether 2+9-2 + -9 is a rational or irrational number.\newline11-11 is an integer, and all integers are rational numbers.\newlineTherefore, 2+9-2 + -9 is a rational number.