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evablogger [386]
3 years ago
5

What equation results from completing the square and then factoring?

Mathematics
1 answer:
Vinil7 [7]3 years ago
6 0

Answer:

\large\boxed{D.\ (x-4)^2=55}

Step-by-step explanation:

(a-b)^2=a^2-2ab+b^2\qquad(*)\\\\\\x^2-8x=39\\\\x^2-2(x)(4)=39\qquad\text{add}\ 4^2=16\ \text{to both sides}\\\\\underbrace{x^2-2(x)(4)+4^2}_{(*)}=39+16\\\\(x-4)^2=55

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vesna_86 [32]

Answer

Part A

1 - 1

2 - 3

3 - 6

4 - 10

5 - 15

Part B

Now plot these points on the coordinate plane

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4 0
3 years ago
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A bag contains 5 yellow marbles and 10 blue marbles. If a representative sample contains 2 yellow ​marbles, then how many blue m
Dmitry [639]

Answer:

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Step-by-step explanation:

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4 0
3 years ago
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Blizzard [7]
The answer:

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5 0
3 years ago
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devlian [24]

Answer:

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Step-by-step explanation:

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3 years ago
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matrenka [14]

Answer:

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Step-by-step explanation:

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8 0
2 years ago
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