Which of the following expressions is not a polynomial. And why is this expression...

Dequan Foster

New member
...above not a polynomial.? ANSWER choices A) 6x^1/3 B) 1/2x^2 -3x+5 C) -4x^2 D) -.7x

Why is it not an expression answer choices A) the lead coefficient is a fraction. B) It fails the vertical line test. C) the exponent is negative. D) the coefficient is negative
 
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