What are the zeros of the function f (x) = x2 + 5x + 5 written in simplest radical form? Quadratic formula: x = x = x = x = x =

Question

Gromit

Mathematics

14 July, 15:45

What are the zeros of the function f (x) = x2 + 5x + 5 written in simplest radical form? Quadratic formula: x = x = x = x = x =

+2

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Kenna Odonnell · Answer 1

X²+5x+5 has zeroes given by x = (-5±√25-20) / 2 = (-5±√5) / 2=-1.3820 and - 3.6180.

In simplest radical form the zeroes are - 5/2+√5/2 and - 5/2-√5/2.