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bekas [8.4K]
2 years ago
14

Express x^2+4x-7 in the form (x+a)^2-b where a and b are integers

Mathematics
1 answer:
lukranit [14]2 years ago
4 0

Answer:

(x + 2)^2 - 11.

Step-by-step explanation:

f(x) = x^2 + 4x - 7

Now x^2 + 4x = (x + 2)^2 - 4 so we have:

f(x) = (x + 2)^2 - 4 - 7

f(x) = (x + 2)^2 - 11.

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3 years ago
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rewona [7]

Answer:

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Step-by-step explanation:

Given inequality is:

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In order to find which point is solution to the given inequality we'll put the point one by one in the inequality. If the point satisfies the inequality, then the point is the solution of the inequality.

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Hence,

Option 2: (1,0) is the correct answer

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