Question 205145
Write three quadratic equations, with a, b, and c (coefficients of x2, x, and the constant) as: 
1...Integers
2x^2 + 3x + 4 = 0
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2...Rational numbers
(2/3)x^2 - (1/7)x + 1/9 = 0
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3....Irrational numbers
pi*x^2 + e*x + sin(33º) = 0