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Ymorist [56]
3 years ago
7

Plsss answer this!!!

Mathematics
1 answer:
egoroff_w [7]3 years ago
5 0

Answer:

(-2,-2)

Step-by-step explanation:

The domain is -2 -2 because that's all the x values that are possible on this graph

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Which equation is equivalent to √x^2+81 = x+10
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<em>equation, operations, equivalent, binomial, square root </em>

For this case we have an equation in which we must apply operations to rewrite it in an equivalent way. We must start by raising both sides of the equation to the square. Thus, we eliminate the square root of the left side of equality and finally solve the binomial of the right side of equality.

So we have:

\sqrt {x ^ 2 + 81} = x + 10\\(\sqrt {x ^ 2 + 81}) ^ 2 = (x + 10) ^ 2\\x ^ 2 + 81 = (x + 10) ^ 2

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Answer:

x ^ 2 + 81 = x ^ 2 + 20x +100

Option D

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