SOLUTION: 8. Let f(x)=x^2 - 4x + 5. a. Find the equation of the axis of symmetry of the graph of f. b. The function can also be expressed in the form f(x) = (x- h)^2 + k. (i) Write do

Algebra ->  Functions -> SOLUTION: 8. Let f(x)=x^2 - 4x + 5. a. Find the equation of the axis of symmetry of the graph of f. b. The function can also be expressed in the form f(x) = (x- h)^2 + k. (i) Write do      Log On


   



Question 1104372: 8. Let f(x)=x^2 - 4x + 5.
a. Find the equation of the axis of symmetry of the graph of f.
b. The function can also be expressed in the form f(x) = (x- h)^2 + k.
(i) Write down the value of h.
(ii) Find the value of k.
I’m raally confused about a to start with

Answer by josgarithmetic(39613) About Me  (Show Source):
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The form f%28x%29=%28x-h%29%5E2%2Bk tells you that the vertex is (h,k).