SOLUTION: r^2+16=10r

Algebra ->  Radicals -> SOLUTION: r^2+16=10r      Log On


   



Question 531050: r^2+16=10r
Answer by oberobic(2304) About Me  (Show Source):
You can put this solution on YOUR website!
r^2 -10r +16 = 0
(r-2)(r-8) = 0
r = 2 or 8
Using the x-axis for r, the following graph shows the plot.
+graph%28500%2C500%2C-10%2C10%2C-20%2C20%2Cx%5E2-10%2Ax%2B16%29+