The Square Root Test: Math Trivia Quiz

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Quizzes Created: 6 | Total Attempts: 28,529
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The Square Root Test: Math Trivia Quiz - Quiz


Do you know anything about square roots? Math is a tricky subject, and it can be a daunting task learning all of its many variables. This quiz will help you. Square roots of negative amounts can be discussed within the framework of complex numbers. More specifically, square roots can be considered in any context in which an idea of squaring off some mathematical objects is defined. Take this quiz and learn more about square roots.


Questions and Answers
  • 1. 

    First, decide if the following number is a perfect square. If it IS, then identify the square root for the expression. √16

    • A.

      No, it is not a perfect square.

    • B.

      Yes, it is a perfect square, and the square root is 2.

    • C.

      Yes, it is a perfect square, and the square root is 4.

    • D.

      Yes, it is a perfect square, and the square root is 8.

    Correct Answer
    C. Yes, it is a perfect square, and the square root is 4.
    Explanation
    The square root of a number is a value that, when multiplied by itself, gives the original number. In this case, the square root of 16 is 4 because 4 multiplied by itself equals 16. Therefore, the given number is a perfect square and the square root is 4.

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  • 2. 

    First, decide if the following number is a perfect square. If it IS, then identify the square root for the expression. √64

    • A.

      No, it is not a perfect square.

    • B.

      Yes, it is a perfect square, and the square root is 4.

    • C.

      Yes, it is a perfect square, and the square root is 8.

    • D.

      Yes, it is a perfect square, and the square root is 32.

    Correct Answer
    C. Yes, it is a perfect square, and the square root is 8.
    Explanation
    The correct answer is "Yes, it is a perfect square, and the square root is 8." This is because the square root of 64 is 8.

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  • 3. 

    First, decide if the following number is a perfect square. If it IS, then identify the square root for the expression. √100

    • A.

      No, it is not a perfect square.

    • B.

      Yes, it is a perfect square, and the square root is 5.

    • C.

      Yes, it is a perfect square, and the square root is 1.

    • D.

      Yes, it is a perfect square, and the square root is 10.

    Correct Answer
    D. Yes, it is a perfect square, and the square root is 10.
    Explanation
    The given number is 100. Since the square root of 100 is 10, and 10 multiplied by itself equals 100, it is a perfect square. Therefore, the correct answer is "Yes, it is a perfect square, and the square root is 10."

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  • 4. 

    First, decide if the following number is a perfect square. If it IS, then identify the square root for the expression. √121

    • A.

      No, it is not a perfect square.

    • B.

      Yes, it is a perfect square, and the square root is 11.

    • C.

      Yes, it is a perfect square, and the square root is 12.

    • D.

      Yes, it is a perfect square, and the square root is 13.

    Correct Answer
    B. Yes, it is a perfect square, and the square root is 11.
    Explanation
    The number 121 is a perfect square because it can be expressed as the square of an integer (11 x 11 = 121). Therefore, the square root of 121 is 11.

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  • 5. 

    First, decide if the following number is a perfect square. If it IS, then identify the square root for the expression. √0

    • A.

      No, it is not a perfect square.

    • B.

      Yes, it is a perfect square, and the square root is 1.

    • C.

      Yes, it is a perfect square, and the square root is 0.

    • D.

      Yes, it is a perfect square, and the square root is 10.

    Correct Answer
    C. Yes, it is a perfect square, and the square root is 0.
    Explanation
    The given number is 0. A perfect square is a number that can be expressed as the square of an integer. Since 0 can be expressed as 0^2, it is a perfect square. The square root of 0 is 0.

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  • 6. 

    First, decide if the following number is a perfect square. If it IS, then identify the square root for the expression. √49

    • A.

      No, it is not a perfect square.

    • B.

      Yes, it is a perfect square, and the square root is 14.

    • C.

      Yes, it is a perfect square, and the square root is 7.

    • D.

      Yes, it is a perfect square, and the square root is 2.

    Correct Answer
    C. Yes, it is a perfect square, and the square root is 7.
    Explanation
    The given expression is the square root of 49. Since 49 is a perfect square (7^2 = 49), the expression is also a perfect square. Therefore, the correct answer is "Yes, it is a perfect square, and the square root is 7."

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  • 7. 

    First, decide if the following number is a perfect square. If it IS, then identify the square root for the expression. √9

    • A.

      No, it is not a perfect square.

    • B.

      Yes, it is a perfect square, and the square root is 9.

    • C.

      Yes, it is a perfect square, and the square root is 81.

    • D.

      Yes, it is a perfect square, and the square root is 3.

    Correct Answer
    D. Yes, it is a perfect square, and the square root is 3.
  • 8. 

    • A.

      C = 25

    • B.

      C = 50

    • C.

      C = 10

    • D.

      C = 20

    Correct Answer
    C. C = 10
    Explanation
    121-36+15=100, so what is the square root of 100?

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  • 9. 

    • A.

      C = 20

    • B.

      C = 25

    • C.

      C = 40

    • D.

      C = 4

    Correct Answer
    A. C = 20
    Explanation
    (16x16)+144=400, so what is the square root of 400?

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  • 10. 

    • A.

      C = 3

    • B.

      C = 90

    • C.

      C = 9

    • D.

      C = 30

    Correct Answer
    D. C = 30
    Explanation
    400-100+600=900, so what is the square root of 900?

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  • 11. 

    √19 falls between the square root of which 2 numbers?

    • A.

      3 and 4, and it is approximately 3.7

    • B.

      4 and 5, and it is approximately 4.4

    • C.

      5 and 6, and it is approximately 5.3

    • D.

      2 and 3, and it is approximately 2.4

    Correct Answer
    B. 4 and 5, and it is approximately 4.4
    Explanation
    The square root of 19 falls between the square roots of the numbers 4 and 5. This can be determined by calculating the square root of both numbers: the square root of 4 is 2, and the square root of 5 is approximately 2.24. Since 19 is greater than 4 but less than 5, its square root must fall between the square roots of these two numbers. The approximate value of the square root of 19 is 4.4.

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  • 12. 

    √40 falls between the square root of which 2 numbers? (The square root chart that you got in class will really help to answer this question!)

    • A.

      4 and 5, and it is approximately 4.2

    • B.

      5 and 6, and it is approximately 5.5

    • C.

      6 and 7, and it is approximately 6.3

    • D.

      3 and 4, and it is approximately 3.3

    Correct Answer
    C. 6 and 7, and it is approximately 6.3
    Explanation
    The square root of 40 falls between the square root of 6 and 7. This can be determined by comparing the square root of 40 to the square roots of the given numbers. The square root of 40 is approximately 6.3, which is closer to the square root of 6 than the square root of 7.

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  • 13. 

    √75 falls between the square root of which 2 numbers? (The square root chart that you got in class will really help to answer this question!)

    • A.

      6 and 7, and it is approximately 6.7

    • B.

      7 and 8, and it is approximately 7.4

    • C.

      8 and 9, and it is approximately 8.7

    • D.

      5 and 6, and it is approximately 5.1

    Correct Answer
    C. 8 and 9, and it is approximately 8.7
    Explanation
    The square root of 75 falls between the square root of 8 and 9. This can be determined by finding the square root of each number and comparing them to the square root of 75. The square root of 8 is approximately 2.83, while the square root of 9 is approximately 3. Therefore, the square root of 75 is greater than 2.83 but less than 3. The closest option is 8 and 9, and the approximate value is 8.7.

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  • 14. 

    √111 falls between the square root of which 2 numbers? (The square root chart that you got in class will really help to answer this question!)

    • A.

      8 and 9, and it is approximately 8.6

    • B.

      9 and 10, and it is approximately 9.7

    • C.

      10 and 11, and it is approximately 10.5

    • D.

      11 and 12, and it is approximately 11.1

    Correct Answer
    C. 10 and 11, and it is approximately 10.5
    Explanation
    The square root of 111 falls between the square roots of 10 and 11. This can be determined by noting that the square of 10 (100) is less than 111, while the square of 11 (121) is greater than 111. Therefore, the square root of 111 must be between 10 and 11. Additionally, the given answer of approximately 10.5 aligns with this reasoning.

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  • 15. 

    Determine the answer to the following expression by multiplying the square roots. (Your answer will be a whole number.) √4 x √16 = _______

    • A.

      6

    • B.

      8

    • C.

      9

    • D.

      4

    Correct Answer
    B. 8
    Explanation
    Multiply 16x4, and then take the square root of that perfect square.

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  • 16. 

    Determine the answer to the following expression by multiplying the square roots. (Your answer will be a whole number.) √7.5 x √19.2 = _______

    • A.

      8

    • B.

      12

    • C.

      24

    • D.

      6

    Correct Answer
    B. 12
    Explanation
    Multiply 19.2x7.5, and then take the square root of that perfect square.

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  • Current Version
  • Oct 11, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Feb 18, 2009
    Quiz Created by
    Annefowler
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