Shido88
(2x^24x+5)/2=0
Solve using quadratic formula?



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Shido88
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i got answer of 1+i sqrt 6 but I'm not sure

Shido88
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dw:1359608354063:dw

precal
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dw:1359601186441:dw

Shido88
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plz check my answer ?

precal
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yes your answer should be a complex because the function does not cross the x axis

Shido88
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alright :)

precal
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dw:1359601262043:dw

precal
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you are missing the 1/2

Shido88
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wait wheres the 1/2 come from ?

precal
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dw:1359601389960:dw

Shido88
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ohh ok lol

Shido88
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so the imaginary number always have a "1" in front of the "i" right ?

Shido88
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@precal

precal
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dw:1359601621817:dw

precal
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dw:1359601656676:dw