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grin007 [14]
3 years ago
12

The center of a circle is located at (−2, 7) . The radius of the circle is 2.

Mathematics
1 answer:
professor190 [17]3 years ago
5 0
Hello : 
an equation is : (x+2)² +(y-7)² = 4
x² +4x+4 +y² -14y +49 = 4 
x² +4x+y² -14y +49 = 0 ....( answer : 3)
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What constant term should be used to complete the square? x 2 - 5x + _____ = 7
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--
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