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The discriminant of a quadratic equation is negative. One solution is 3+4i . What is the other solution?

A.4-3i

B.3-4i

C.4+3i

D.-3+4i

Verified Answer :

MissPhiladelphia

I believe the correct answer from the choices listed above is option B. The discriminant of a quadratic equation is negative. One solution is 3+4i . The other would be 3-4i. Hope this answers the question. Have a nice day.

Answer: Option B 3-4i is the correct option

Explanation:

we have formula for discriminant \(D=b^{2}-4ac\)

after that we find the required variable that is to be find according to the quadratic equation given suppose we have to find x

then we have formula \(x=\frac{-b\pm\sqrt{D}} {2a}\)

Here we have \(\pm\) of roots if we have one root 3+41 other would be of opposite sign and hence,definitely be 3-4i.

Therefore Option B 3-4i is the correct option.

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