All four of the expressions below are equivalent to square root of 50. which would be the best choice to simplify it? a. square root of the quantity 49 plus 1 b. square root of the quantity 25 times 2 c. square root of the quantity 10 times 5 d. square root of the quantity 100 divided by 2

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.