Using the completing-the-square method, rewrite f (x) = x2 4x - 1 in vertex form.
a. f (x) = (x + 2) ^2 + 1
b. f (x) = (x + 2^) 2
c. f (x) = (x + 2^) 2 + 4
d. f (x) = (x + 2) ^2 - 5
+2
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Home » Mathematics » Using the completing-the-square method, rewrite f (x) = x2 4x - 1 in vertex form. a. f (x) = (x + 2) ^2 + 1 b. f (x) = (x + 2^) 2 c. f (x) = (x + 2^) 2 + 4 d. f (x) = (x + 2) ^2 - 5