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circle has an equation of r - 4x + y2 + 8y = 149 a) Show that the point (7,8) must lie on this circle.

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circle has an equation of r - 4x + y2 + 8y = 149 a) Show that the point (7,8) must lie on this circl...

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circle has an equation of r - 4x + y2 + 8y = 149 a) Show that the point (7,8) must lie on this circle.​

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circle has an equation of r - 4x + y2 + 8y = 149 a) Show that the point (7,8) must lie on this circle.