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qaws [65]
3 years ago
11

Algebra 2 Common Core

Mathematics
1 answer:
kap26 [50]3 years ago
4 0
I don't know what the answer to number 1 is.

2. <u>Center</u>
25x² + 4y² - 50x - 24y - 39 = 0
           25x² + 4y² - 50x - 24y = 39
           25x² - 50x + 4y² - 24y = 39
            25(x² - 2x) + 4(y² - 6y) = 39
25(x² - 2x + 4) + 4(y² - 6y + 9) = 39 + 25(4) + 4(9)
25(x² - 2x + 4) + 4(y² - 6y + 9) = 39 + 100 + 36
25(x² - 2x + 4) + 4(y² - 6y + 9) = 175
                <u>25(x - 2)²</u> + <u>4(y - 3)²</u> = <u>175</u>
                    175           175        175
                    <u>(x - 2)²</u> + <u>4(y - 3)²</u> = 1
                        7           17
<u />
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