SOLUTION: Please help me solve this problem:
Find k to make the trinomial a perfect square:
r square + 10r + k
Thank you, Carrie
Algebra.Com
Question 236844: Please help me solve this problem:
Find k to make the trinomial a perfect square:
r square + 10r + k
Thank you, Carrie
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
when you "complete the square", the constant term is the square of one half of the coefficient of the 1st order term
yeah, it sounds complicated; but it isn't
in this case; k must be half of 10, squared
r^2 + 10r + 25 = (r + 5)^2
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