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Author Topic: mock Mathcount set 1 question 19  (Read 4186 times)

mathcount

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mock Mathcount set 1 question 19
« on: February 15, 2011, 11:58:40 AM »
Add a single term to a polynomial 4x^2 + 1 to result in a square number. How many such single terms are there?

Please help again
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yongcheng3315

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Re: mock Mathcount set 1 question 19
« Reply #1 on: February 16, 2011, 08:17:04 AM »
Sorry the answer key should be 5:


-4 x2, -1, 4x, -4x, and 4x4
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