Enable text based alternatives for graph display and drawing entry

Try another version of this question

A hyperbola with equation of `(x-1)^2/a^2 - (y-1)^2/b^2 = 1` has an asymptote with equation of `y = 8/7 x -1/7`. Find the smallest possible whole number values for `a` and `b`.

`a =`  
`b =`