Question

Tell whether the following statements are always,sometimes,or never true. If a statement is not always true , explain
1) integers are rational numbers

2) rational numbers are integers

3) the product of a non-zero rational number and an irrational number is irrational

Answer 1

use this to learn what irrational and rational numbers are http://www.regentsprep.org/regents/math/algebra/AOP1/Lrat.htm

Answer 2

then you should be able to answer this fairly easily