SOLUTION: A quadratic function h has the rule h(x) = x2 - 4x +5. Find the value of k for which h(x) +k =0 has two positive solutions.

Question 1028569: A quadratic function h has the rule h(x) = x2 - 4x +5. Find the value of k for which h(x) +k =0 has two positive solutions.

Found 2 solutions by Fombitz, rothauserc:
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!

So use the lower zero,

Answer by rothauserc(4718) (Show Source): You can put this solution on YOUR website!
we are give
:
h(x) + k = 0
:
x^2 -4x +5 +k = 0
:
if k = -2, then
:
x^2 -4x +3 = 0
:
(x-3) * (x-1) = 0
:
x = 3 and x = 1
:
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