Q: Find the equation of a circle concentric with the circle x2 plus y2-8x plus 6y-5 0 and passing through the point -2 -7?

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a diameter

The line passing through the center of a circle with two endpoints on the circle is the circle's diameter.

A concentric circle.

x2 + (y - b)2 = b2 or, equivalently, x2 + y2 - 2by = 0

concentric

Related questions

a diameter

The line passing through the center of a circle with two endpoints on the circle is the circle's diameter.

Equation of circle: (x-3)^2 +(y+5)^2 = 13

A concentric circle.

It is (x + 2)^2 + (y - 1)^2 = 4

Concentric Circles?

A concentric circle looks like a bullseye or a target. It is a big circle with littler circles inside of it with the same centerponit

This is the diameter of the circle.

Concentric Circle

Points: (2, -3) and (-2, 0) Slope: -3/4 Equation: y = -0.75x-1.5

x2 + (y - b)2 = b2 or, equivalently, x2 + y2 - 2by = 0

concentric