SOLUTION: For the function y=x^2 -4x-5 perform the following tasks:
Put the function in the y=a(x-h)^2 + k form.
Graph it.
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Question 23268: For the function y=x^2 -4x-5 perform the following tasks:
Put the function in the y=a(x-h)^2 + k form.
Graph it.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Complete the square on the right side, as follows:
y = (x^2-4x+4)-5-4
You need the +4 and the -4 to keep the expression unchanged.
y = (x+2)^2 -9
So, comparing this to the form y = a(x-k)^2+h
a=1,k=-2,h=-9
Cheers,
Stan H.
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