1.What is the principal root of 169? a.19 b.-19 c.-13 d.+13 2.Which of the following values is irrational? a.1/2 b.√256 c.5/12 d.√343 3.What the roots of 49? a.7 and 7 b.-7 and -7 c.7 and -7 d.49 and -49 4. Between which two integers does the √72 lie? a.5 and 6 b.6 and 7 c.7 and 8 d.8 and 9 5.Which of the following is in descending order of √13, 22 and √43? a.√13,22,√43 b.√43,22,√13 c.22,√43,√13 d.√13,√43,22
