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nataly862011 [7]
2 years ago
8

Answer the question below pls

Mathematics
2 answers:
marin [14]2 years ago
6 0

Answer:

Step-by-step explanation:

I think C

Ber [7]2 years ago
4 0
C. is the correct choice
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3 years ago
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The easiest way is to try the point (-4,1), that is, x=-4, y=1,
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The usual way to do it is to find the equation of the circle
standard form of a circle is (x-h)²+(y-k)²=r², (h,k) are the coordinates of the center, r is the radius. 
in this case, the center is (-2,1), so (x+2)²+(y-1)²=r²
the given point (-4,1) is for you to find r: (-4+2)²+(1-1)²=r², r=2
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expand it: x²+4x+4+y²-2y+1=4
x²+y²+4x-2y+1=0, which is answer b.

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3 years ago
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Reika [66]

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6 0
3 years ago
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The number of students in the class (x) will be divided into teams of 4, except one team will have 5, resulting teams in all. Wr
Ierofanga [76]

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x represents the total students in the class. We don't know how many teams of four there will be, so we represent that with y. 4y represents the total students in teams of 4. We know there is one team of 5, so that is added to 4y.

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