SOLUTION: I need to find value of d in the following problem. Perfect square
y^2-10y+d
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Question 190630: I need to find value of d in the following problem. Perfect square
y^2-10y+d
Found 2 solutions by jim_thompson5910, Earlsdon:
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
If the expression is a perfect square, then (ie take half of b and square it to get c)
So in this case, . So which means that . So the perfect square is
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Find d if is a perfect square:
In order for to be a perfect square, d must be the square of half the y-coefficient, or , so....
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