Classify each of the following sums as rational or irrational.
3÷5 + √3 = Irrational can't be written as a ratio of two integer numbers.
3÷5 + √4 = 3÷5 + 2 = (3 + 2*5)÷5 = 13÷5 Rational can be written as a ratio of two integer numbers.
2÷3 + √6 = Irrational can't be written as a ratio of two integer numbers.
2÷3 + √1 = 2÷3 + 1 = (2+3)÷3 = 5÷3 Rational can be written as a ratio of two integer numbers.
2÷9 + √2 = Irrational can't be written as a ratio of two integer numbers.
2÷11 + √9 = 2÷11 + 3 = (2+11*3)÷11 = 35÷11 Rational can be written as a ratio of two integer numbers.
Hope this helps!
