Consider the following expressions: 1. x+x^2- 1 x 2. a x^2+b x+x-c+(d)/(c)-(e)/(x^2) 3. 3 x^2-5 x+a b 4. 2 x^2-ax+b^3 5. (1)/(x)-(2)/(x+5) Which of the above are rational expressions?

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Correct answer: B. 1, 3, 4 and 5 only

A rational expression is nothing more than a fraction in which the numerator and denominator are polynomials. Here are some example of rational expressions are (x+x^2+(1)/(x)) , (3 x²-5 x+a b) , (2)/(x^2-a x+a b)

Consider the following expressions: 1. x+x^2- 1 x 2. a x^2+b...

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