SOLUTION: Find the value of k, given 4x - y +2k +1 =0 has real roots

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Question 1139956: Find the value of k, given
4x - y +2k +1 =0 has real roots
Answer by josgarithmetic(39616) About Me  (Show Source):
You can put this solution on YOUR website!
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4x - y +2k +1 =0 has real roots
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4x-0%2B2k%2B1=0
4x%2B2k=1
4x=1-2k
x=%281-2k%29%2F4
OR
2k=1-4x
k=%281-4x%29%2F2

k can be any real number and your linear equation given will have a root.
Slope for the line of the equation is 4.