SOLUTION: Given f(x)=nx^2-12x+9n where n is a real number. What is the value(s) of n such that this quadratic has ONLY ONE REAL root.

SOLUTION: Given f(x)=nx^2-12x+9n where n is a real number. What is the value(s) of n such that this quadratic has ONLY ONE REAL root.

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Question 967150: Given f(x)=nx^2-12x+9n where n is a real number. What is the value(s) of n such that this quadratic has ONLY ONE REAL root.
Answer by josgarithmetic(39623) (Show Source): You can put this solution on YOUR website!
Discriminant must be 0.

n=-2 or n=2
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