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3 years ago

Helpppppp meeee please and thank you I’ll give you brainliest

Mathematics

1 answer:

jenyasd209 [6]3 years ago

7 0

........................b

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2 years ago

If x=-7 is a root of the equation x^2+kx+49=0, then k=

aleksley [76]

Answer:

$k=14$

Step-by-step explanation:

Given:

$x^{2}+kx+49 = 0$

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Substitution can be used to find the value of $k$ :

$(-7)^{2}+(-7)k+49 = 0$

$49-7k+49 = 0$

$98 -7k = 0$

$k = 14$

Hope this helps :)

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3 years ago

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U bot

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