The side length of a square is equal to ?–.

  A. the square of its area

  B. the square root of its area

  C. its area

  D. half of its area

Which of the following statements is true?

  A. The square root of an integer will always be an integer.

  B. The square of an integer will always be an integer.

  C. Both A and B are true.

  D. Neither A nor B are true.

Which of the following numbers has a square root of 9?

  A. 3

  B. 4.5

  C. 18

  D. 81

Which of the following numbers is a perfect square?

  A. 2

  B. 8

  C. 16

  D. 20

Which of the following statements is true about the square root of 139?

  A. The square root of 139 has a value of 19,321.

  B. The square root of 139 has a value of 69.5.

  C. The square root of 139 has a value between 10 and 11.

  D. The square root of 139 has a value between 11 and 12.