SOLUTION: Find the value of "a" such that y^2 - 18y + a is a perfect square.

SOLUTION: Find the value of "a" such that y^2 - 18y + a is a perfect square.

Algebra.Com

Question 38723: Find the value of "a" such that
y^2 - 18y + a
is a perfect square.
Answer by Nate(3500) (Show Source): You can put this solution on YOUR website!
A perfect square should be a set of values square. An example: (x+1)^2
First, determine a value times the leading coefficient that give you factors that add up to (-18)
pick 81 because the factors: -9,-9 give you the answer

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