SOLUTION: Hello, i need help with this question: Find the value of a for which the equation x^2 -5x +a has exactly one root. here's what i've tried so far: a= -x^2 +5x = -x(x -5)

SOLUTION: Hello, i need help with this question: Find the value of a for which the equation x^2 -5x +a has exactly one root. here's what i've tried so far: a= -x^2 +5x = -x(x -5)

Algebra.Com

Question 832649: Hello, i need help with this question:
Find the value of a for which the equation x^2 -5x +a has exactly one root.
here's what i've tried so far:
a= -x^2 +5x
= -x(x -5)
i dont know if that is the correct answer.
Thank you in advance.

Answer by josgarithmetic(39625) (Show Source): You can put this solution on YOUR website!
Discriminant is zero.
, has discriminant, , and you want to equate that with zero. Then, solve for a.
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