Original post by Zuzubear
(X-2)^2+(Y+5)^2=k+29
find the range of possible values of K
find the range of possible values of K
Assuming X,Y are real, and you're looking for this equation to have a solution.
Looking at the lefthand side, what do you know about a squared term? What value can it take? Hence what value can the lefthand side take?
Hence what's the restriction on k+29?
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