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Thread: Sum of two numbers

  1. #1
    Junior Member
    Join Date
    Jun 2013
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    Sum of two numbers

    The sum of two numbers is 14 and their product is 40. What is the value of the sum of their squares?

    (A)
    (B)
    (C)
    (D)

    Thanks!!

  2. #2
    Junior Member
    Join Date
    Jun 2013
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    24
    From the following identity we have that



    Therefore the correct answer is (A).

  3. #3
    Junior Member
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    Jun 2013
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    Thank you kadence!

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