Find the imaginary roots of a quadratic using the quadratic formula

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Q. Solve 2x^2–5x+9=0 by the quadratic formula to 3 SD’s.

Quadratic formula:

Where a, b, and c represent the coefficients of the a, b, and c term, respectively.

If b^2−4ac=0 (1 real root)
If b^2−4ac GREATER THAN 0 (2 real root)
If b^2−4ac LESS THAN 0 (0 real root)
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