x^2 - 15x + 56 = 0
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The coordinates of every one of the infinitely many points on the line defined by the equation is a solution.
There are many different ordered pairs for this. To figure it out, make up a value for x. Then plug it into the equation and solve to find y. You can use any number. For example, if x=2, then your equation would be 3(2)+1. Solve that and you get 7 for the answer (y). if x=2, then y=7 so one of the ordered pairs would be (2,7).
(x+7)2+(y+5)2 = 16 Centre of circle: (-7, -5) Radius: 4