Complete the statement below that show y=8^2+32x+17 being converted to vertex form

Mathematics

1 answer:

OverLord2011 [107]4 years ago

7 0

\left[y \right] = \left[ 81+32\,x\right][y]=[81+32x] being converted to vertex form

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What is the first term in a geometric sequence if the common ratio is − 2 and the sum of the first six terms is −105?

Serggg [28]

$\bf \qquad \qquad \textit{sum of a finite geometric sequence}
\\\\
S_n=\sum\limits_{i=1}^{n}\ a_1\cdot r^{i-1}\implies S_n=a_1\left( \cfrac{1-r^n}{1-r} \right)\quad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\
r=\textit{common ratio}\\
----------\\
r=-2\\
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\end{cases}$

$\bf -105=a_1\left( \cfrac{1-(-2)^6}{1-(-2)} \right)\implies -105=a_1\left( \cfrac{1-(64)}{1+2} \right)
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Does anyone have any idea how to do this?

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Answer: D and A, B and E, C and F

Step-by-step explanation:

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In the equation x+12=30 does x=16 explain your answer

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No x does NOT equal 16. you would substitute x for 16 which gives you 16+12. That equals 28 not 30. The correct answer is x=18

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You put the following items into your rucksack. Ham 600 g Cheese 380 g Tomatoes 270 g How much do all the ingredients weigh in t

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Step-by-step explanation:

so, you don't know what a division is for ?

it is to ask things like "how often does one number fit into another number", or "how big will each piece be, if I split something into a certain number of equally sized pieces ?".

this is what we need here.

8 pizzas for $131.36. and each pizza costs the same. you see how that connects to what I just described above ?

to find how much each pizza cost, we need to divide the total price by 8, to find the size (= here the price) of each of the equally big parts of the total price.

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3 years ago