SOLUTION: Find k such that the equation kx squared + x + 100k=0 has a repeated solution K=? Use a comma to separate answers

Question 1122815: Find k such that the equation kx squared + x + 100k=0 has a repeated solution
K=?
Use a comma to separate answers
Found 2 solutions by solver91311, josmiceli:
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

In order for a quadratic to have one zero with a multiplicity of two, the discriminant, i.e. , must equal zero.

Solve for the two possible values of

John

My calculator said it, I believe it, that settles it

Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
In the quadratic formula, for repeated solutions
(1)
and
(2)
��-

(1)
(1)
(1)

or

��
The equation is

Check both solutions with quadratic equation

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