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Anna71 [15]
3 years ago
13

Identify the center and radius for the following equation: (x+4)^2+(y-7)^2=4

Mathematics
1 answer:
ArbitrLikvidat [17]3 years ago
4 0

This is the equation for a circle which without numbers looks like (x – h)^2 + (y – k)^2 = r^2

This means that the radius is the square root of what ever number the equation is equal to. Since in this case it is 4 the square root of 4 is 2

The center of the circle is baced off h and k. In order to find where each one of them go, you would do the opposit of the number that is with them. With this equation the opposit of 4 is -4 so it will go -4 in the x direction and the opposit of -7 is 7 so it would go 7 in the y direction

Radius: 2

Center: (-4,7)

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