Practice problem
In the general form for the absolute value function, y=a∣x−h∣+k,y=a|x-h|+k,y=a∣x−h∣+k, what represents the vertex?
(a,k)(a,k)(a,k)
(x,y)(x,y)(x,y)
(h,k)(h,k)(h,k)
None of the above
Type a concept, like “slope” or “photosynthesis”.