Solution:
|
The given quadratic
equation is x2 – 11x + k = 0
|
Since 9 is the root of
the given quadratic equation
|
∴ we can put x = 9,
|
∴ 92 – 11(9) + k = 0
|
∴ 81 – 99 + k = 0
|
∴ - 18 + k = 0
|
∴ k = 18
|
∴ the value of k is 18
|
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If one root of the quadratic equation x2 - 11x + k = 0 is 9, then find the value of k.
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