Fill in the blank. 1. A(n) ________ is a ratio of two polynomials in which the denominator is not the zero polynomial. 2. The set of all real numbers that can be used in place of the variable in a...

Fill in the blank.

1. A(n) ________ is a ratio of two polynomials in which the denominator is not the zero polynomial.

2. The set of all real numbers that can be used in place of the variable in a rational expression is the ________.

3. The ________ is the smallest number that is a multiple of all of the denominators in a group of fractions.

4. A(n) ________ is a fraction having rational expressions in its numerator, denominator, or both.

5. Writing a fraction as an equivalent fraction with a smaller denominator is called ________.

6. Writing a fraction as an equivalent fraction with a larger denominator is called ________.