3 years ago

Using the completing-the-square method, rewrite f(x) = x2 + 4x − 1 in vertex form.

Mathematics

1 answer:

elena55 [62]3 years ago

7 0

F(x) = x² + 4x - 1
f(x) = x² + 4x + 4 - 4 - 1
f(x) = (x + 2)² - 5

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