Is square root of 36 plus 3 a rational or irrational number?
 Your answer:
 Rational because the square root of 36 is a whole number, and all whole numbers are rational
 Rational because the square root of 36 equals 6, 6+3=9, and 9 is a terminating decimal
 Irrational because there is a square root symbol in the expression
 Irrational because adding a whole number with a square root is impossible