En vision algebra 1
name nairobi morillo september 12, 2019
1-1 additional practice
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operations on real numbers
1. set g is the set of positive integers divisible by 4 and set f is the set of perfect
squares. list the first 5 elements of set h, which contains numbers in g that are
also elements of f.
2. which elements of the set of natural numbers are also irrational numbers?
3. when you divide an even number by an even number, is the result always an
even number? justify your answer.
4. when you subtract two positive integers, is the result always a positive integer?
justify your answer.
5. for each of these expressions, draw a line or lines to show the subset(s) of the
real numbers it belongs to.