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March 29, 2017

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For the following equation, state the value of the discriminant and then describe the nature of the solutions.
-7x^2+3x-4=0

What is the value of the disriminant?

Does the equation have two imaginary solutions, two real solutions, or one real solution?

  • Algebra - ,

    First find the discriminant. The formula for it is

    D = b^2 - 4ac

    D = 3^2 - 4(-7)(-4)

    Solve that, and if the solution is positive, there are 2 solutions.

    If it's negative, there are imaginary solutions.

    If it equals 0, there is one solution

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