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3 years ago

Find the third, eighth, and tenth terms of the sequence described by the rule.

Mathematics

1 answer:

Contact [7]3 years ago

8 0

Answer:

Find the third, eighth, and tenth terms of the sequence described by the rule.

A(n) = 6 + (n − 5) 2, please help!

answer choices are:

−2, 0, 2

2, 12, 16

−4, 6, 10

−8, −6, −4

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the answer is B

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

Let:

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$\bf \qquad \textit{parabola vertex form}\\\\
\begin{array}{llll}
\boxed{y=a(x-{{ h}})^2+{{ k}}}\\\\
x=a(y-{{ k}})^2+{{ h}}
\end{array} \qquad\qquad vertex\ ({{ h}},{{ k}})\\\\
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\\\\\\
\textit{now, we also know that }
\begin{cases}
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