Latest exam Aptitude Question SOLUTION: For the quadratic equation x^2 + kx +7 =0, if 3+sqrt2 is a root, what is the value of k ? I said 6 but my teacher marked it wrong. Please help me :)

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Previous Question: what are the three types of linear systems Next Question: Hi! I need to reduce to lowest terms or rationalize. (2(sqrt)3-1)(3(sqrt)3+4) and ^3(sqrt)(-8x^12) thanks in advance for the help

(#M40043474) EXAM Numerical Ability question Keep an EYE

For the quadratic equation x^2 + kx +7 =0, if 3+sqrt2 is a root, what is the value of k ?
I said 6 but my teacher marked it wrong. Please help me :): Asked In exam (10 years ago); Unsolved; Is this Puzzle helpful? (0) (0) Submit Your Solution

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Previous Question: what are the three types of linear systems Next Question: Hi! I need to reduce to lowest terms or rationalize. (2(sqrt)3-1)(3(sqrt)3+4) and ^3(sqrt)(-8x^12) thanks in advance for the help

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