# Question: rewrite the functions in the form yaxh2k find the vertex...

###### Question details

Rewrite the functions in the form y=a(x-h)^2+k. Find the vertex, range, and zero. graph the function. Please show your working, i am having trouble understanding. Thank you in advance. question #1 y=x^2-2x-3 question #2 y=x^2-4x+5