Question

find the value of k for the quadratic equation x²+6x+k=0 if it has equal roots​

Answer 1

Answer:

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Answer 2

Answer:-

Given equation:-

• x²+6x+k=0 has equal roots

To find:-

• The value of k

Solution:-

x²+bx+k=0

⇒b²-4ac=0

⇒(6)²-4×1×k=0

⇒36-4k=0

⇒-4k=-36

⇒k=36/4

⇒$\bf\boxed{\boxed{\bf k=9}}$

Therefore, the value of k is 9.