SOLUTION: What is the discriminate of x^2-4x+9=0

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Question 708324: What is the discriminate of x^2-4x+9=0
Answer by josgarithmetic(39616) About Me  (Show Source):
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Use the numbers in the way they correspond. Your equation can be understood as 1x%5E2%2B%28-4%29x%2B9=0.

The quadratic equation of form, ax%5E2%2Bbx%2Bc=0 has a discriminant of b%5E2-4ac. Substitute directly from the equation according to the corresponding numbers.