What do you call the positive nth root of a number? *
A. Perfect Square
B. Principal Root
C. Radical
D. Radicand
4. What is the principal root of √81 ? *
B. 8
A. -9
D. 81
C. 9
5. What is the principal root of √9/4 ? *
A. 3/2
B. 3/4
C. 9/2
D. 9/4
6. Which of the following best describes the principal root of √50 ? *
A. integer
B. irrational
C. natural
D. rational
7. Which of the following best describes the principal root of √121 ? *
A. integer
B. irrational
C. natural
D. rational
8. Which of the statements is TRUE? *
A. √7 is an integer
B. √16 is an irrational number
C. √25 is a rational number
D. √90 is neither a rational nor irrational number
9. Find the number whose square root lies between 8 and 9? *
A. 8
B. 9
C. 75
D. 85
10. Between what two consecutive integers does the square root of 118 lie? *
A. 8 & 9
B. 9 & 10
C. 10 & 11
D. 11 & 12
11. Which of the numbers is classified as perfect square integer? *
A. 49
B. 50
C. 63
D. 200
12. Between what two consecutive integers does the square root of 190 lie? *
A. 11 & 12
B. 13 & 14
C. 14 & 15
D. 19 & 20
13. Which of the following numbers has an irrational square root? *
A. 1
B. 81
C. 100
D. 300
14. Which of the following is NOT a perfect square integer? *
A. 121
B. 144
C. 149
D. 169
15. Where does the square root of 30 lie? *
A. between 5 & 6
B. beyond 6
C. before 5
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