For what value of k, the roots of the equation x²+ 4x + k = 0 are real?
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2 thoughts on “For what value of k, the roots of the equation x²+ 4x + k = 0 are real?<br />​”

1. Answer:

   Hey

   here is your ans

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2. For real roots:–

   [tex]d = {b}^{2} – 4ac = 0 \\ {(k)}^{2} – 4(1)(k) = 0 \\ {k}^{2} – 4k = 0 \\ k(k – 4) = 0 \\ [/tex]

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