Helping students gain understanding and self-confidence in algebra.
burnbird16 wrote:I ended up taking a lightly different approach....
From here, I can input one point and then h and k, and then solve that for r. Very simple, very quick. Thank you, though!
burnbird16 wrote:Uhm, someone, help, please?
burnbird16 wrote:a) Plug in the three points in the equation. Easy enough. -h^2 + -k^2, (1-h)^2 + -k^2, -h^2 + (2-k)^2
Sorry; when you said you'd figured this out, I don't think anybody knew you were still wanting help. Oops!
Note: The expression (0 - h)2 is not equivalent to -h2!