SOLUTION: For the function y= x^2-4x-5, how do you put this function into y=a(x-h)^2+k form???? I'm having a real hard time with this one!

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Question 31712This question is from textbook College Algebra
: For the function y= x^2-4x-5, how do you put this function into y=a(x-h)^2+k form???? I'm having a real hard time with this one! This question is from textbook College Algebra

Answer by mukhopadhyay(490) About Me  (Show Source):
You can put this solution on YOUR website!
y= x^2-4x-5
=> y = x^2-2*2x+4-4-5
=> y = (x^2-2*2x+4)-4-5
=> y = (x-2)^2-9
The above is in y=a(x-h)^2+k form where a=1, h=2, and k=-9