gina is asked to identify a rational expression. which of the following could she choose?

x^3/2 + 5/2x^9

5.3/2x-1

8x^2 + 7/0

1 answer

Gina can choose the rational expression: 5.3/2x-1.

The reason is that a rational expression is defined as a ratio of two polynomials, where the denominator is not equal to zero. In this case, 5.3/2x-1 fits this definition.