SOLUTION: Find the values of k such that 4x^2+16x+k has the following solutions. a.exactly one real-number solution

Question 1179333: Find the values of k such that 4x^2+16x+k has the following solutions.
a.exactly one real-number solution
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
the values of such that has the following solutions.
a. exactly one real-number solution
it will be if discriminant
...in this case , , and

will be equal to zero if ->

and real solution is
.........factor

=> which is a point (,)
see the graph below:

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