$\[x^{2}-2x-9=0\]$<br/><br/>One solution to the given equation can be written as $1+\sqrt{k}$, where $k$ is a constant. What is the value of $k$?

MM

Mashaal Masha

Feb 17, 2024

$x^{2}-2x-9=0$One solution to the given equation can be written as $1+\sqrt{k}$, where $k$ is a constant. What is the value of $k$?

Difficulty: Hard

A:

8

B:

10

C:

20

D:

40

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ID: 65d0891b7c9dd71aa1cf90d5