Square Root Quiz



Note: Information to help answer these quiz questions can be found on the SquareRootCalculator.Co website.


  1. How many square roots does a number have?    
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  2. If you have an equation like: N2 = 15
    How do you solve for N?    

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  3. If you have an equation like:  N   = 7
    How do you solve for N?    

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  4. The radical sign     refers to the __________ of a number.    
    1. positive square root
    2. negative square root
    3. both the positive and negative square root
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  5. The square root of a negative number will be a/an __________ number.    
    1. negative
    2. imaginary
    3. real
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  6. Using the square root calculator, what is the square root of the complex number 6+5i ?    
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  7. If the area of a circle is 30 inches2, what is the side length of a square with the same area?    
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  8. What scale factor would you use to double the area of an octagon?
    What scale factor would you use to triple the area of an octagon?    

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  9. What is the square root of 32 (to three decimal places) without using a calculator?    
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