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Mathematics 12 Online
OpenStudy (anonymous):

PLEASE HELP ME HERE!!! Find the values of b such that the system x^2 + y^2= 4 y= x + b has one solution. (Enter your answers as a comma-separated list.)

OpenStudy (anonymous):

the system is made up of a circle centered at the origin with radius two and the other is a line with slope 1. in order for the system to have 1 solution this means the line has to be tangent to the circle... the solution to the system is this point of tangency... |dw:1334970248844:dw|

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