Rational Number free essay sample

LEVEL I Q1) From the choices given below mark the co-prime numbers a) 2,3 (b) 2,4 (c) 2,5 (d) 2,107 Q2) Given a rational number -5/9. This rational number can also be known as a) A natural number (b) a rational number (c) a whole number (d) a real number Q3) The square root of which number is rational a) 7 (b) 1. 96 (c) 0. 04 (d) 13 Q4) 2 v7 is a) A rational number (b) an irrational number (c) a real number (d) a natural number Q5) To rationalize the denominator of the expression 1 , we multiply and divide by v7 v6 a) v7 + v6 (b) v6 (c) v7 ? v6 (d) v7 Q6) (125)-1/3 can be written as a) 5 (b) -5 (c) 1/5 (d) none of these Q7) Every point on the number line a) can be associated with a rational number b) can be associated with an irrational number c) can be associated with a natural number ) can be associated with a real number Q8) If z2 = 0. We will write a custom essay sample on Rational Number or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page 04, then z represents a ____________ number. Q9) The number of irrational numbers between 15 and 18 is infinite. True or False Q10) Multiply 5v2 by 17 Q11) Give an example each of two irrational numbers, whose Sum, Difference, Product and Quotient is rational and irrational number. Q12) Find two rational and irrational numbers between 0. 5 and 0. 55. Q13) Represent -12/5 on the number line Q14) Express 0. 047 in the form p/q where p and q are integers and q? . LEVEL II Q1) Examine whether the following numbers are rational or irrational: i) (2-v3)2 ii) (v2+v3)2 iii) v3-1 v3+1 Q2) Express each of the following as a rational number in the simplest form: