SOLUTION: 2x^2-3x=-7 I was asked to find the solution set. I used the quadratic equation and came up with -3+/- the square of 47/4 right?

Question 331971: 2x^2-3x=-7 I was asked to find the solution set. I used the quadratic equation and came up with -3+/- the square of 47/4 right?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
2x^2-3x=-7

Solved by pluggable solver: SOLVE quadratic equation (work shown, graph etc)

Quadratic equation (in our case ) has the following solutons:

For these solutions to exist, the discriminant should not be a negative number.

First, we need to compute the discriminant : .

The discriminant -47 is less than zero. That means that there are no solutions among real numbers.

If you are a student of advanced school algebra and are aware about imaginary numbers, read on.

In the field of imaginary numbers, the square root of -47 is + or - .

The solution is , or
Here's your graph:

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That's close.

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