SOLUTION: Find the value of 'm' for which the given equation has exactly one solution 25x^2 + 40x + m = 0.

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: Find the value of 'm' for which the given equation has exactly one solution 25x^2 + 40x + m = 0.       Log On


   

Question 991315: Find the value of 'm' for which the given equation has exactly one solution 25x^2 + 40x + m = 0.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Use the discriminant.
b%5E2-4ac=0
40%5E2-4%2825%29m=0
1600=100m
m=16