if x is equal if x is equals to 3 is one root of the quadratic equation X square - 2 x minus 6 is equal to zero then find the value of x
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Hey the question is:
If x=3 is one root of the quadratic equation x^2- 2kx- 6=0, then find the value of k.
Answer:
Substitute x=3 in the equation,
(3)^2- 2k(3)- 6=0
9- 6k- 6=0
3- 6k=0
-6k = -3
k= 3/6
k=1/2
Hope this helps..!!:)
If x=3 is one root of the quadratic equation x^2- 2kx- 6=0, then find the value of k.
Answer:
Substitute x=3 in the equation,
(3)^2- 2k(3)- 6=0
9- 6k- 6=0
3- 6k=0
-6k = -3
k= 3/6
k=1/2
Hope this helps..!!:)
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