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Thread: Sum of two numbers

  1. 10-19-2013, 07:03 PM #1
    elizabeth
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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!!
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  2. 10-19-2013, 07:04 PM #2
    kadence
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    From the following identity we have that



    Therefore the correct answer is (A).
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  3. 10-19-2013, 07:04 PM #3
    kadence
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    Thank you kadence!
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