Question

1.1. Describe, explain and give examples of three important mathematical ideas:

(a) prime numbers (3)
(b) rational numbers (3)
(c) irrational numbers (3​

Answer 1

=The numbers which donot have factors and can be only divided by themselves are know as prime numbers.Eg: 2,3,5,7

= A number that can be represented as the quotient p/q of two integers such that q ≠ 0 are known as rational numbers. Eg 4/8,5,-10

=An irrational number is a number that cannot be expressed as a fraction for any integers.Eg -0.25,3.5