Question 209052
find the discriminant of 2x^2 + 9 = 4x and describe the nature of the roots of the equation. 
A)56; exactly one real root 
B)56; two distinct real roots 
C)-56; no real roots 
D)-56; two distinct real roots
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This is covered well by the onsite solver.
*[invoke solve_quadratic_equation 2,-4,9]
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Discriminant = -56 --> no real roots