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dusya [7]
3 years ago
11

When graphed, the circle with equation

Mathematics
2 answers:
iVinArrow [24]3 years ago
6 0
Hello,

First we must use the property of the sum of perfect squares:

X^2 -14x +y^2 +10y+65 =0

Adding 7^2 and -7^2

x^2 -14x+7^2-7^2 +y^2+10y+65=0

x^2 -2.7x +7^2 -49 +y^2+10y+65=0

(X-7)^2 +y^2+10y+16=0

Adding 5^2 and -5^2

(X-7)^2 +y^2 +10y+5^2-5^2+16=0

(X-7)^2 +y^2+2.5y+5^2 -25 +16=0

(X-7)^2+ (y+5)^2 -9 = 0

(X-7)^2 +(y+5)^2 = 9

(X-7)^2+(y+5)^2 = 3^2

Center = (7, -5)
R = 3

The circle is in the 4 quadrant.


WARRIOR [948]3 years ago
3 0

Answer:D

Step-by-step explanation:

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