Question 171686
Write three quadratic equations, with a, b, and c (coefficients of x2, x, and the constant) as: 

Integers : Let a, b, c be 2,3,4 
Rational numbers : Let a,b,c be 2,3,4 
Irrational numbers: Let a,b,c be sqrt(2), sqrt(3), sqrt(5)
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Cheers,
San H.